Office-VISTA firewall-Adobe Flash-other vulnerabilities - US-Cert-combined

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National Cyber Alert System

Cyber Security Alert SA07-191A


Microsoft Updates for Multiple Vulnerabilities

Original release date: July 12, 2007
Last revised: --
Source: US-CERT


Systems Affected

* Microsoft Windows
* Microsoft Office


Overview

Vulnerabilities in Microsoft Windows and Office could allow an
attacker to gain control of your computer.


Solution

Install updates

Microsoft has released updates to remedy vulnerabilities in Microsoft
Windows and Office. To obtain these updates, visit the Microsoft
Update web site. We also recommend enabling Automatic Updates.


Description

Vulnerabilities in Microsoft Windows and Office may allow an attacker
to access your computer, install and run malicious software on your
computer, or cause it to crash.
More technical information is available in US-CERT Technical Cyber
Security Alert TA07-191A.


References

* US-CERT Technical Cyber Security Alert TA07-191A -
http://www.us-cert.gov/cas/techalerts/TA07-191A.html

* Vulnerability Notes for Microsoft July 2007 updates -
http://www.kb.cert.org/vuls/byid?searchview&query=ms07-Jul

* Microsoft security updates for July 2007 -

http://www.microsoft.com/protect/computer/updates/bulletins/200707.mspx

* Microsoft Security at Home - http://www.microsoft.com/protect/

* Microsoft Update - https://update.microsoft.com/microsoftupdate/

* Microsoft Automatic Updates -

http://www.microsoft.com/athome/secu..._current.mspx#
EZB

* Microsoft Security at Home - http://www.microsoft.com/protect/

* Microsoft Update - https://update.microsoft.com/microsoftupdate/

* Microsoft Automatic Updates -

http://www.microsoft.com/athome/secu..._current.mspx#
EZB

__________________________________________________ _______________

The most recent version of this document can be found at:

http://www.us-cert.gov/cas/alerts/SA07-191A.html
__________________________________________________ _______________

Feedback can be directed to US-CERT Technical Staff. Please send
email to with "SA07-191A Feedback VU#487905" in the
subject.
__________________________________________________ ______________

For instructions on subscribing to or unsubscribing from this
mailing list, visit http://www.us-cert.gov/cas/signup.html.
__________________________________________________ ______________

Produced 2007 by US-CERT, a government organization. Terms of use

Terms of use:

http://www.us-cert.gov/legal.html
__________________________________________________ _______________

Revision History

July 10, 2007: Initial release


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*******

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National Cyber Alert System

Technical Cyber Security Alert TA07-191A


Microsoft Updates for Multiple Vulnerabilities

Original release date: July 10, 2007
Last revised: --
Source: US-CERT


Systems Affected

* Microsoft Windows
* Microsoft Excel
* Microsoft Publisher
* Microsoft .NET Framework
* Microsoft Internet Information Services (IIS)
* Microsoft Windows Vista Firewall


Overview

Microsoft has released updates that address critical vulnerabilities
in Microsoft Windows, Excel, Publisher, .NET Framework, Internet
Information Services, and Windows Vista Firewall. Exploitation of
these vulnerabilities could allow a remote, unauthenticated attacker
to execute arbitrary code or cause a denial of service on a vulnerable
system.


I. Description

Microsoft has released updates to address vulnerabilities that affect
Microsoft Windows, Excel, Publisher, .NET Framework, Internet
Information Services, and Windows Vista Firewall as part of the
Microsoft Security Bulletin Summary for July 2007. The most severe
vulnerabilities could allow a remote, unauthenticated attacker to
execute arbitrary code or cause a denial of service on a vulnerable
system.

Further information about the vulnerabilities addressed by these
updates is available in the Vulnerability Notes Database


II. Impact

A remote, unauthenticated attacker could execute arbitrary code on a
vulnerable system. An attacker may also be able to cause a denial of
service.


III. Solution

Apply updates from Microsoft

Microsoft has provided updates for these vulnerabilities in the July
2007 Security Bulletins. The Security Bulletins describe any known
issues related to the updates. Administrators are encouraged to note
any known issues that are described in the Bulletins and test for any
potentially adverse effects.

System administrators may wish to consider using an automated patch
distribution system such as Windows Server Update Services (WSUS).


IV. References

* US-CERT Vulnerability Notes for Microsoft July 2007 updates -
http://www.kb.cert.org/vuls/byid?searchview&query=ms07-jul

* Securing Your Web Browser -
http://www.us-cert.gov/reading_room/securing_browser/

* Microsoft Security Bulletin Summary for July 2007 -
http://www.microsoft.com/technet/security/bulletin/ms07-jul.mspx

* Microsoft Update - https://update.microsoft.com/microsoftupdate/

* Microsoft Office Update - http://officeupdate.microsoft.com/

* Windows Server Update Services -

http://www.microsoft.com/windowsserversystem/updateservices/default.mspx


__________________________________________________ __________________

The most recent version of this document can be found at:

http://www.us-cert.gov/cas/techalerts/TA07-191A.html
__________________________________________________ __________________

Feedback can be directed to US-CERT Technical Staff. Please send
email to with "TA07-191A Feedback VU#487905" in the
subject.
__________________________________________________ __________________

For instructions on subscribing to or unsubscribing from this
mailing list, visit http://www.us-cert.gov/cas/signup.html.
__________________________________________________ __________________

Produced 2007 by US-CERT, a government organization.

Terms of use:

http://www.us-cert.gov/legal.html
__________________________________________________ __________________


Revision History

July 10, 2007: Initial release

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*****

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National Cyber Alert System

Technical Cyber Security Alert TA07-192A


Adobe Flash Player Updates for Multiple Vulnerabilities

Original release date: July 11, 2007
Last revised: --
Source: US-CERT


Systems Affected

Microsoft Windows, Apple Mac OS X, Linux, Solaris, or other operating
systems with any of the following Adobe products installed:
* Flash Player 9.0.45.0
* Flash Player 9.0.45.0 and earlier network distribution
* Flash Basic
* Flash CS3 Professional
* Flash Professional 8, Flash Basic
* Flex 2.0
* Flash Player 7.070.0 for Linux or Solaris

For more complete information, refer to Adobe Security Bulletin
APSB07-12.


Overview

There are critical vulnerabilities in Adobe Flash player and related
software. Exploitation of these vulnerabilities could allow a remote,
unauthenticated attacker to execute arbitrary code or cause a denial
of service on a vulnerable system.


I. Description

Adobe Security Bulletin APSB07-12 addresses vulnerabilities in Adobe
Flash Player and related software. Further information is available in
the US-CERT Vulnerability Notes database.

Several operating systems, including Microsoft Windows and Apple OS X,
have vulnerable versions of Flash installed by default. Systems with
Flash-enabled web browsers are vulnerable. To exploit these
vulnerabilities, an attacker could host a specially crafted Flash file
on a web site and convince a user to visit the site.


II. Impact

A remote, unauthenticated attacker could execute arbitrary code with
the privileges of the user, steal credentials, or create a
denial-of-service condition. If the user is logged on with
administrative privileges, the attacker could take complete control of
an affected system.


III. Solution

Apply Updates

Check with your vendor for patches or updates. For information about a
specific vendor, please see the Systems Affected section in the
vulnerability notes or contact your vendor directly. If you get the
flash player from Adobe, see the Adobe Get Flash page for information
about updates.

Disable Flash

Users who are unable to apply the patch should disable Flash. Contact
your vendor or see the US-CERT Vulnerability Notes VU#110297,
VU#730785, or VU#138457 for more details.


Appendix A. References

* Adobe - APSB07-12: Flash Player update available to address
security vulnerabilities -
http://www.adobe.com/support/security/bulletins/apsb07-12.html
* US-CERT Vulnerability Notes Database -

http://www.kb.cert.org/vuls/byid?sea...,VU%2323110297
,VU%23730785

__________________________________________________ _______________

The most recent version of this document can be found at:

http://www.us-cert.gov/cas/techalerts/TA07-192A.html
__________________________________________________ _______________

Feedback can be directed to US-CERT Technical Staff. Please send
email to with "TA07-192A Feedback VU#730785" in the
subject.
__________________________________________________ _______________

For instructions on subscribing to or unsubscribing from this
mailing list, visit http://www.us-cert.gov/cas/signup.html.
__________________________________________________ _______________

Produced 2007 by US-CERT, a government organization. Terms of use

Terms of use:

http://www.us-cert.gov/legal.html
__________________________________________________ _______________

Revision History

July 11, 2007: Initial release
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Another cut and paste poster, Why you not say something original in
your own words troll?

Michael Yardley wrote:

Another cut and paste poster, Why you not say something original
in your own words troll?

LOL

(I could say more, but I won't...)

Well, apparently some new blood roles through...

From 98 Guy? Well we expect some really stupid stuff from him, you on the
other hand, Mike, apparently don't realize what that was put here for... do
try to take your blinders off and keep up....

This related, in part, to Flash 9 and 10... and VISTA for the dual booters,
and several other aspects... which include 9X, do try to keep up... Now do
you have anything relevant to post in here?

"98 Guy" wrote in message ...
| Michael Yardley wrote:
|
| Another cut and paste poster, Why you not say something original
| in your own words troll?
|
| LOL
|
| (I could say more, but I won't...)

--
MEB
http://peoplescounsel.orgfree.com
________

On Jul 12, 4:34 pm, Michael Yardley wrote:
Another cut and paste poster, Why you not say something original in
your own words troll?

You are the troll and a very stupid one. No wonder your neighbours
want you evicted. Yardley is a drunken welfare prostitute.

Oh and for those who can't figure this one out, it deals with Quicktime,
and I-Tunes....


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National Cyber Alert System

Technical Cyber Security Alert TA07-193A


Apple Releases Security Updates for QuickTime

Original release date: July 12, 2007
Last revised: --
Source: US-CERT


Systems Affected

Apple QuickTime on systems running

* Apple Mac OS X
* Microsoft Windows


Overview

Apple QuickTime contains multiple vulnerabilities. Exploitation of
these vulnerabilities could allow a remote attacker to execute
arbitrary code or cause a denial-of-service condition.


I. Description

Apple QuickTime 7.2 resolves multiple vulnerabilities in the way
Java applets and various types of media files are handled. An
attacker could exploit these vulnerabilities by convincing a user
to access a specially crafted Java applet or media file with a
vulnerable version of QuickTime. Since QuickTime configures most
web browsers to handle QuickTime media files, an attacker could
exploit these vulnerabilities using a web page.

Note that QuickTime ships with Apple iTunes.

For more information, please refer to the Vulnerability Notes
Database.


II. Impact

These vulnerabilities could allow a remote, unauthenticated
attacker to execute arbitrary code or commands and cause a
denial-of-service condition. For further information, please see
the Vulnerability Notes Database.


III. Solution

Upgrade QuickTime

Upgrade to QuickTime 7.2. This and other updates for Mac OS X are
available via Apple Update.

On Microsoft Windows, QuickTime users can install the update by
using the built-in auto-update mechanism, Apple Software Update, or
by installing the update manually.

Disable QuickTime in your web browser

An attacker may be able to exploit some of these vulnerabilities by
persuading a user to access a specially crafted media file with a
web browser. Disabling QuickTime in your web browser may defend
against this attack vector. For more information, refer to the
Securing Your Web Browser document.

Disable Java in your web browser

An attacker may be able to exploit some of these vulnerabilities by
persuading a user to access a specially crafted Java applet with a
web browser. Disabling Java in your web browser may defend against
this attack vector. Instructions for disabling Java can be found in
the Securing Your Web Browser document.


References

* Vulnerability Notes for QuickTime 7.2 -
http://www.kb.cert.org/vuls/byid?searchview&query=QuickTime_72

* About the security content of the QuickTime 7.2 Update -
http://docs.info.apple.com/article.html?artnum=305947

* How to tell if Software Update for Windows is working correctly when no
updates are available -
http://docs.info.apple.com/article.html?artnum=304263

* Apple QuickTime 7.2 for Windows -
http://www.apple.com/support/downloads/quicktime72forwindows.html

* Apple QuickTime 7.2 for Mac -
http://www.apple.com/support/downloads/quicktime72formac.html

* Standalone Apple QuickTime Player -
http://www.apple.com/quicktime/download/standalone.html

* Mac OS X: Updating your software -
http://docs.info.apple.com/article.html?artnum=106704

* Securing Your Web Browser -
http://www.us-cert.gov/reading_room/securing_browser/


__________________________________________________ __________________

The most recent version of this document can be found at:

http://www.us-cert.gov/cas/techalerts/TA07-193A.html
__________________________________________________ __________________

Feedback can be directed to US-CERT Technical Staff. Please send
email to with "TA07-193A Feedback VU#582681" in the
subject.
__________________________________________________ __________________

For instructions on subscribing to or unsubscribing from this
mailing list, visit http://www.us-cert.gov/cas/signup.html.
__________________________________________________ __________________

Produced 2007 by US-CERT, a government organization.

Terms of use:

http://www.us-cert.gov/legal.html
__________________________________________________ __________________


Revision History

Thursday July 12, 2007: Initial release




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Oh and for those who can't figure this one out, it deals with Quicktime,
and I-Tunes....

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National Cyber Alert System

Cyber Security Tip ST04-015


Understanding Denial-of-Service Attacks

You may have heard of denial-of-service attacks launched against web
sites, but you can also be a victim of these attacks.
Denial-of-service attacks can be difficult to distinguish from common
network activity, but there are some indications that an attack is in
progress.

What is a denial-of-service (DoS) attack?

In a denial-of-service (DoS) attack, an attacker attempts to prevent
legitimate users from accessing information or services. By targeting
your computer and its network connection, or the computers and network
of the sites you are trying to use, an attacker may be able to prevent
you from accessing email, web sites, online accounts (banking, etc.),
or other services that rely on the affected computer.

The most common and obvious type of DoS attack occurs when an attacker
"floods" a network with information. When you type a URL for a
particular web site into your browser, you are sending a request to
that site's computer server to view the page. The server can only
process a certain number of requests at once, so if an attacker
overloads the server with requests, it can't process your request.
This is a "denial of service" because you can't access that site.

An attacker can use spam email messages to launch a similar attack on
your email account. Whether you have an email account supplied by your
employer or one available through a free service such as Yahoo! or
Hotmail, you are assigned a specific quota, which limits the amount of
data you can have in your account at any given time. By sending many,
or large, email messages to the account, an attacker can consume your
quota, preventing you from receiving legitimate messages.

What is a distributed denial-of-service (DDoS) attack?

In a distributed denial-of-service (DDoS) attack, an attacker may use
your computer to attack another computer. By taking advantage of
security vulnerabilities or weaknesses, an attacker could take control
of your computer. He or she could then force your computer to send
huge amounts of data to a web site or send spam to particular email
addresses. The attack is "distributed" because the attacker is using
multiple computers, including yours, to launch the denial-of-service
attack.

How do you avoid being part of the problem?

Unfortunately, there are no effective ways to prevent being the victim
of a DoS or DDoS attack, but there are steps you can take to reduce
the likelihood that an attacker will use your computer to attack other
computers:
* Install and maintain anti-virus software (see Understanding
Anti-Virus Software for more information).
* Install a firewall, and configure it to restrict traffic coming
into and leaving your computer (see Understanding Firewalls for
more information).
* Follow good security practices for distributing your email address
(see Reducing Spam for more information). Applying email filters
may help you manage unwanted traffic.

How do you know if an attack is happening?

Not all disruptions to service are the result of a denial-of-service
attack. There may be technical problems with a particular network, or
system administrators may be performing maintenance. However, the
following symptoms could indicate a DoS or DDoS attack:
* unusually slow network performance (opening files or accessing web
sites)
* unavailability of a particular web site
* inability to access any web site
* dramatic increase in the amount of spam you receive in your
account

What do you do if you think you are experiencing an attack?

Even if you do correctly identify a DoS or DDoS attack, it is unlikely
that you will be able to determine the actual target or source of the
attack. Contact the appropriate technical professionals for
assistance.
* If you notice that you cannot access your own files or reach any
external web sites from your work computer, contact your network
administrators. This may indicate that your computer or your
organization's network is being attacked.
* If you are having a similar experience on your home computer,
consider contacting your Internet service provider (ISP). If there
is a problem, the ISP might be able to advise you of an
appropriate course of action.
__________________________________________________ _______________

Author: Mindi McDowell
__________________________________________________ _______________

Produced 2004 by US-CERT, a government organization.

Note: This tip was previously published and is being re-distributed
to increase awareness.

Terms of use

http://www.us-cert.gov/legal.html

This document can also be found at

http://www.us-cert.gov/cas/tips/ST04-015.html

For instructions on subscribing to or unsubscribing from this
mailing list, visit http://www.us-cert.gov/cas/signup.html.


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This Cyber alert is more for dual booters and VPC users, though Office 2000
also has vulnerabilities.


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National Cyber Alert System

Technical Cyber Security Alert TA07-226A


Microsoft Updates for Multiple Vulnerabilities

Original release date: August 14, 2007
Last revised: --
Source: US-CERT


Systems Affected

* Microsoft Windows
* Microsoft Internet Explorer
* Microsoft Windows Media Player
* Microsoft Office
* Microsoft Office for Mac
* Microsoft XML Core Services
* Microsoft Visual Basic
* Microsoft Virtual PC
* Microsoft Virtual Server


Overview

Microsoft has released updates that address critical vulnerabilities
in Microsoft Windows, Internet Explorer, Windows Media Player, Office,
Office for Mac, XML Core Services, Visual Basic, Virtual PC, and
Virtual Server. Exploitation of these vulnerabilities could allow a
remote, unauthenticated attacker to execute arbitrary code or cause a
denial of service on a vulnerable system.


I. Description

Microsoft has released updates to address vulnerabilities that affect
Microsoft Windows, Internet Explorer, Windows Media Player, Office,
Office for Mac, XML Core Services, Visual Basic,Virtual PC, and
Virtual Server as part of the Microsoft Security Bulletin Summary for
August 2007. The most severe vulnerabilities could allow a remote,
unauthenticated attacker to execute arbitrary code or cause a denial
of service on a vulnerable system.

Further information about the vulnerabilities addressed by these
updates is available in the Vulnerability Notes Database


II. Impact

A remote, unauthenticated attacker could execute arbitrary code on a
vulnerable system. An attacker may also be able to cause a denial of
service.


III. Solution

Apply updates from Microsoft

Microsoft has provided updates for these vulnerabilities in the August
2007 Security Bulletins. The Security Bulletins describe any known
issues related to the updates. Administrators are encouraged to note
any known issues that are described in the Bulletins and test for any
potentially adverse effects.

Updates for Microsoft Windows and Microsoft Office XP and later are
available on the Microsoft Update site. Microsoft Office 2000 updates
are available on the Microsoft Office Update site. Apple Mac OS X
users should obtain updates from the Mactopia web site.

System administrators may wish to consider using an automated patch
distribution system such as Windows Server Update Services (WSUS).


IV. References

* US-CERT Vulnerability Notes for Microsoft August 2007 updates -
http://www.kb.cert.org/vuls/byid?searchview&query=ms07-aug

* Securing Your Web Browser -
http://www.us-cert.gov/reading_room/securing_browser/

* Microsoft Security Bulletin Summary for August 2007 -
http://www.microsoft.com/technet/security/bulletin/ms07-aug.mspx

* Microsoft Update - https://update.microsoft.com/microsoftupdate/

* Microsoft Office Update - http://officeupdate.microsoft.com/

* Windows Server Update Services -

http://www.microsoft.com/windowsserversystem/updateservices/default.mspx

* Mactopia - http://www.microsoft.com/mac/

__________________________________________________ __________________

The most recent version of this document can be found at:

http://www.us-cert.gov/cas/alerts/TA07-226A.html
__________________________________________________ __________________

Feedback can be directed to US-CERT Technical Staff. Please send
email to with "TA07-226A Feedback VU#361968" in the
subject.
__________________________________________________ __________________

For instructions on subscribing to or unsubscribing from this
mailing list, visit http://www.us-cert.gov/cas/signup.html.
__________________________________________________ __________________

Produced 2007 by US-CERT, a government organization.

Terms of use:

http://www.us-cert.gov/legal.html
__________________________________________________ __________________


Revision History

August 14, 2007: Initial release
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--
MEB
http://peoplescounsel.orgfree.com
________

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National Cyber Alert System
Cyber Security Alert SA07-303A

Federal Trade Commission Reports Spoofed Email

Original release date: October 30, 2007
Last revised: --
Source: US-CERT

Systems Affected

* Any computer system can be affected when a person is a victim of
social engineering, such as what can occur when malicious code is
inadvertently downloaded from an attachment in a spoofed email.

Overview

The Federal Trade Commission (FTC) is reporting that spoofed email
messages that appear to come from the FTC contain malicious
attachments. If you open one of these attachments you may infect your
computer with a keystroke logger or other malicious code.

Solution

Be suspicious

Exercise caution when opening email messages and attachments. In this
case, the FTC describes the spoofed email as follows:

The spoof email includes a phony sender's address, making it appear
the email is from " and also spoofs the
return-path and reply-to fields to hide the email's true origin.
While the email includes the FTC seal, it has grammatical errors,
misspellings, and incorrect syntax.

Attackers often construct email messages and web sites to imitate
legitimate organizations in order to more effectively convince you to
open and execute malicious attachments or click on malicious links.

See the Avoiding Social Engineering and Phishing Cyber Security Tip in
the references section for more information.

Install and update anti-virus software

Updated anti-virus software can protect you from malicious code. For
more information, please see Cyber Security Tip ST04-005 and ST05-006.

Description

This spoofed email activity relies on social engineering techniques to
convince you to open and run a malicious attachment. There is no
software vulnerability involved and there is no software update to
protect against this type of activity. For more information please see
the FTC report.

References

* Cyber Security Tip ST04-014 - Avoiding Social Engineering and
Phishing Attacks http://www.us-cert.gov/cas/tips/ST04-014.html

* Cyber Security Tip ST04-010 - Using Caution with Email Attachments
http://www.us-cert.gov/cas/tips/ST04-010.html

* Cyber Security Tip ST04-005 - Understanding Anti-Virus Software
http://www.us-cert.gov/cas/tips/ST04-005.html

* Cyber Security Tip ST05-006 - Recovering from Viruses, Worms, and
Trojan Horses http://www.us-cert.gov/cas/tips/ST04-006.html

* Trends in Badware 2007
http://www.stopbadware.org/home/consumerreport

* Don't Open Bogus Email that Comes from the FTC
http://www.ftc.gov/opa/2007/10/bogus.shtm


__________________________________________________ _______________

The most recent version of this document can be found at:

http://www.us-cert.gov/cas/alerts/SA07-303A.html
__________________________________________________ _______________

Feedback can be directed to US-CERT Technical Staff. Please send
email to with "SA07-303A Feedback INFO#23" in the
subject.
__________________________________________________ _______________

For instructions on subscribing to or unsubscribing from this
mailing list, visit http://www.us-cert.gov/cas/signup.html.
__________________________________________________ _______________

Produced 2007 by US-CERT, a government organization.

Terms of use:

http://www.us-cert.gov/legal.html
__________________________________________________ _______________

Revision History

October 30, 2007: Initial release
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Another warning concerning Apple Quick Time. Note it says ALL versions are
effected AND provides registry hacks to potentially correct the issues.

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

National Cyber Alert System
Technical Cyber Security Alert TA07-334A


Apple QuickTime RTSP Buffer Overflow

Original release date: November 30, 2007
Last revised: --
Source: US-CERT

Systems Affected

A buffer overflow in Apple QuickTime affects:
* Apple QuickTime for Windows
* Apple QuickTime for Apple Mac OS X

Overview

Apple QuickTime contains a buffer overflow vulnerability in the way
QuickTime processes Real Time Streaming Protocol (RTSP) streams.
Exploitation of this vulnerability could allow an attacker to execute
arbitrary code.

I. Description

Apple QuickTime contains a stack buffer overflow vulnerability in the
way QuickTime handles the RTSP Content-Type header. Most versions of
QuickTime prior to and including 7.3 running on all supported Apple
Mac OS X and Microsoft Windows platforms are vulnerable. Since
QuickTime is a component of Apple iTunes, iTunes installations are
also affected by this vulnerability.

An attacker could exploit this vulnerability by convincing a user to
access a specially crafted HTML document such as a web page or email
message. The HTML document could use a variety of techniques to cause
QuickTime to load a specially crafted RTSP stream. Common web
browsers, including Microsoft Internet Explorer, Mozilla Firefox, and
Apple Safari can be used to pass RTSP streams to QuickTime, exploit
the vulnerability, and execute arbitrary code.

Exploit code for this vulnerability was first posted publicly on
November 25, 2007.

II. Impact

This vulnerability could allow a remote, unauthenticated attacker to
execute arbitrary code or commands and cause a denial-of-service
condition.

III. Solution

As of November 30, 2007, a QuickTime update for this vulnerability is
not available. To block attack vectors, consider the following
workarounds.

Block the rtsp:// protocol

Using a proxy or firewall capable of recognizing and blocking RTSP
traffic can mitigate this vulnerability. Known public exploit code for
this vulnerability uses the default RTSP port 554/tcp, however RTSP
can use a variety of ports.

Disable file association for QuickTime files

Disable the file association for QuickTime file types. This can be
accomplished by deleting the following registry keys:
HKEY_CLASSES_ROOT\QuickTime.*

This will remove the association for approximately 32 file types that
are configured to open with QuickTime Player.

Disable the QuickTime ActiveX controls in Internet Explorer

The QuickTime ActiveX controls can be disabled in Internet Explorer by
setting the kill bit for the following CLSIDs:
{02BF25D5-8C17-4B23-BC80-D3488ABDDC6B}
{4063BE15-3B08-470D-A0D5-B37161CFFD69}

More information about how to set the kill bit is available in
Microsoft Knolwedgebase Article 240797. Alternatively, the following
text can be saved as a .REG file and imported to set the kill bit for
these controls:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX
Compatibility\{02BF25D5-8C17-4B23-BC80-D3488ABDDC6B}]
"Compatibility Flags"=dword:00000400

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX
Compatibility\{4063BE15-3B08-470D-A0D5-B37161CFFD69}]
"Compatibility Flags"=dword:00000400

Disable the QuickTime plug-in for Mozilla-based browsers

Users of Mozilla-based browsers, such as Firefox can disable the
QuickTime plugin, as specified in the PluginDoc article Uninstalling
Plugins.

Disable JavaScript

For instructions on how to disable JavaScript, please refer to the
Securing Your Web Browser document. This can help prevent some attack
techniques that use the QuickTime plug-in or ActiveX control.

Secure your web browser

To help mitigate these and other vulnerabilities that can be exploited
via a web browser, refer to Securing Your Web Browser.

Do not access QuickTime files from untrusted sources

Do not open QuickTime files from any untrusted sources, including
unsolicited files or links received in email, instant messages, web
forums, or internet relay chat (IRC) channels.


References

* US-CERT Vulnerability Note VU#659761 -
http://www.kb.cert.org/vuls/id/659761

* Securing Your Web Browser -
http://www.us-cert.gov/reading_room/securing_browser/

* Mozilla Uninstalling Plugins -
http://plugindoc.mozdev.org/faqs/uninstall.html

* How to stop an ActiveX control from running in Internet Explorer -
http://support.microsoft.com/kb/240797

* IETF RFC 2326 Real Time Streaming Protocol -
http://tools.ietf.org/html/rfc2326


__________________________________________________ _______________

The most recent version of this document can be found at:

http://www.us-cert.gov/cas/techalerts/TA07-334A.html
__________________________________________________ _______________

Feedback can be directed to US-CERT Technical Staff. Please send
email to with "TA07-334A Feedback VU#659761" in the
subject.
__________________________________________________ _______________

For instructions on subscribing to or unsubscribing from this
mailing list, visit http://www.us-cert.gov/cas/signup.html.
__________________________________________________ _______________

Produced 2007 by US-CERT, a government organization.

Terms of use:

http://www.us-cert.gov/legal.html
__________________________________________________ _______________

Revision History

November 30, 2007: Initial release
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--
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