[Snort-sigs] Sourcefire VRT Certified Rules Update

Sourcefire VRT research at ...435...
Wed Oct 11 14:12:23 EDT 2006


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Sourcefire VRT Certified Rules Update

Synopsis:
Microsoft has released a number of bulletins regarding vulnerabilities
in its products, the Sourcefire VRT has continued research into these
issues and has released additional rules to complement previously
released rules.

Additionally, multiple reference updates have been made throughout the
VRT Certified Ruleset.


Details:
Microsoft Security Bulletin MS06-065:
The Microsoft Windows Object Packager does not correctly process file
names. This may allow a remote attacker to execute code of their
choosing via a malformed file.

A rule to detect attacks against this vulnerability is included in this
rule pack and is identified as sid 8445.

Microsoft Security Bulletin MS06-059:
Microsoft Excel for the Macintosh operating system contains a
vulnerability that may allow a remote attacker to execute code of their
choosing on an affected system via the use of a malformed COLINFO
record in an xls file. This vulnerability also affects the Microsoft
Excel Viewer.

A rule to detect attacks against this vulnerability is included in this
rule pack and is identified as sid 8448.

Microsoft Security Bulletin MS06-063:
The Microsoft Operating System is prone to a vulnerability that may
allow a remote attacker to cause a Denial of Service (DoS) on an
affected system. The vulnerability occurs when the system attempts to
process a malformed SMB RENAME command.

Rules to detect attacks targeting this vulnerability are included in
this rule pack and are identified as sids 8449 through 8460.

The mailslot service is used on hosts using the Microsoft Operating
System to handle messages between hosts on a domain.

An unchecked buffer in the mailslot server service may allow an
attacker to overflow a fixed length buffer and execute code of their
choosing on an affected host.

Rules to detect attacks targeting this vulnerability were previously
released and are identified as sids 7035 through 7046.

Microsoft Security Bulletin MS06-056:
The Microsoft .NET Framework is vulnerable to a cross site scripting
vulnerability that may allow remote attackers to access sensitive
information.

Rules to detect attacks targeting this vulnerability were previously
released and are identified as sids 1497 and 7070.

Microsoft Security Bulletin MS06-057:
Multiple vulnerabilities exist in the way that Microsoft Internet
Explorer handles ActiveX controls. It may be possible for an attacker
to execute code of their choosing on a system using Internet Explorer.

Rules to detect attacks targeting this vulnerability were previously
released and are identified as sids 7985 through 7988 and sid 8419.

Microsoft Security Bulletins MS06-058, MS06-059 and MS06-060:
Microsoft Office products (Word, Excel and Powerpoint) are prone to
vulnerabilities that may allow an attacker to execute code of their
choosing on an affected host via a malformed file.

The OfficeCat tool, previously released by the Sourcefire VRT, is able
to process these files to determine if possible exploit conditions
exist in an Office document.
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