Sourcefire VRT Certified Snort Rules Update 2009-12-08

[Research <research () sourcefire com>]

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From: VRT Advisory Builder <vrtbuild () sourcefire com>
To: Matt Watchinski <mwatchinski () sourcefire com>, Lurene Grenier <lgrenier () sourcefire com>, Marketing <steve.kane 
() sourcefire com>, Clint Brown <cbrown () sourcefire com>
Cc: Nigel Houghton <nigel () sourcefire com>, Dave Parrish <dparrish () sourcefire com>, John Leone <jleone () 
sourcefire com>
Reply-To: Nigel Houghton <nigel () sourcefire com>
X-Mailer: VRT Rule Pack Auto Mailer 2.0
Subject: Sourcefire VRT Certified Snort Rules Update 2009-12-08 FINAL

Sourcefire VRT Certified Snort Rules Update

Synopsis:
The Sourcefire VRT is aware of multiple vulnerabilities affecting
Microsoft products.

Details:
Microsoft Security Advisory MS09-070:
A vulnerability in Microsoft Active Directory may allow a remote
attacker to execute code on an affected system.

A rule to detect attacks targeting this vulnerability is included in
this release and is identified with GID 3, SID 16312.

Microsoft Security Advisory MS09-071:
A vulnerability in the Microsoft Challenge Handshake Authentication
Protocol (MS-CHAPv2) may allow a remote attacker to escalate privileges
on an affected system. This does not require authentication to exploit.

A rule to detect attacks targeting this vulnerability is included in
this release and is identified with GID 3, SID 16329.

Microsoft Security Advisory MS09-072:
Microsoft Internet Explorer contains several vulnerabilities that may
allow a remote attacker to execute code on a vulnerable system.

Rules to detect attacks targeting these vulnerabilities are included in
this release and are identified with GID 3, SIDs 16317, 16326 and
16330.

Additionally, previously released rules that will also detect attacks
targeting these vulnerabilities are identified with GID 1, SIDs 15638,
15639, 16159 through 16166, 16310 and 16311.

Microsoft Security Advisory MS09-073:
The Microsoft Word converter fails to correctly validate user-supplied
input. As a result, an attacker may leverage this error to execute code
on an affected system.

A rule to detect attacks targeting this vulnerability is included in
this release and is identified with GID 3, SID 16314.

Microsoft Security Advisory MS09-074:
Microsoft Project contains a programming error that may allow a remote
attacker to execute code on an affected system via the use of a
specially crafted file.

A rule to detect attacks targeting this vulnerability is included in
this release and is identified with GID 1, SID 16328.

For a complete list of new and modified rules please see:

http://www.snort.org/vrt/docs/ruleset_changelogs/changes-2009-12-08.html
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