VRT Advisories
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VRT Rules 2008-02-12
Sourcefire VRT Rules Update
Date: 2008-02-12
Synopsis:
The Sourcefire VRT is aware of multiple vulnerabilities affecting hosts using the Microsoft Windows operating system.
Details:
Microsoft Security Bulletin (MS08-004):
Hosts using the Microsoft Windows operating system may be vulnerable to a Denial of Service (DoS) attack. The problem lies in the processing of DHCP requests provided to a host system by a server.
A shared object rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3 and SID 13450.
Microsoft Security Bulletin (MS08-008):
A vulnerability in OLE Automation may present an attacker with the opportunity to execute code on an affected system via a specially crafted web page.
Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3 and SIDs 13457 through 13460 and SID 13474.
Microsoft Security Bulletin (MS08-009):
Microsoft Word contains a vulnerability that may allow an attacker to execute code on an affected host.
A shared object rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3 and SID 13469.
Microsoft Security Bulletin (MS08-010):
Microsoft Internet Explorer contains a number of memory corruption vulnerabilities that may allow a remote attacker to execute code on an affected system.
Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3 and SIDs 13451 through 13456.
Microsoft Security Bulletin (MS08-011):
Microsoft Works File Converter contains vulnerabilities that may allow an attacker to execute code on an affected system via a specially crafted Works file.
Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3 and SIDs 13466 and 13472.
Microsoft Security Bulletin (MS08-012):
Microsoft Publisher contains two vulnerabilities that may allow a remote attacker to execute code on an affected system via specially crafted Publisher files.
Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3 and SIDs 13470 and 13471.
Rule Pack Summary:
For a complete list of new and modified rules, click here.
Warning:
Sourcefire VRT rule packs often utilize enhancements made to Snort. Operators should upgrade to the latest revision or patch level for Snort to ensure these enhancements are available before using these rules.
About the VRT:
The Sourcefire VRT is a group of leading edge intrusion detection and prevention experts working to proactively discover, assess and respond to the latest trends in hacking activity, intrusion attempts and vulnerabilities. This team is also supported by the vast resources of the open source Snort community, making it the largest group dedicated to advances in the network security industry.
Posted by on Feb 12, 2008
VRT Rules 2008-02-05
Sourcefire VRT Rules Update
Date: 2008-02-05
Synopsis:
The Sourcefire VRT is aware of multiple vulnerabilities affecting ActiveX controls and has expanded coverage for CVE-2007-2446.
Details:
Samba Buffer Overflow (CVE-2007-2446):
Samba is prone to multiple buffer overflow conditions that may allow a remote attacker to execute code on a vulnerable host.
Rules to detect attacks targeting these vulnerabilities are included in this release and are identified as SIDs 13367 through 13414.
Additional rules are included in this release to detect attacks targeting ActiveX controls from SwiftView and Facebook Photo Uploader.
Rule Pack Summary:
For a complete list of new and modified rules, click here.
Warning:
Sourcefire VRT rule packs often utilize enhancements made to Snort. Operators should upgrade to the latest revision or patch level for Snort to ensure these enhancements are available before using these rules.
About the VRT:
The Sourcefire VRT is a group of leading edge intrusion detection and prevention experts working to proactively discover, assess and respond to the latest trends in hacking activity, intrusion attempts and vulnerabilities. This team is also supported by the vast resources of the open source Snort community, making it the largest group dedicated to advances in the network security industry.
Posted by on Feb 05, 2008
VRT Rules 2008-01-29
Sourcefire VRT Rules Update
Date: 2008-01-29
Synopsis:
The Sourcefire VRT is aware of vulnerabilities affecting the Cisco Unified Communications Manager and SAP MaxDB.
Details:
Cisco Unified Communications Manager Buffer Overflow (CVE-2008-0027):
A buffer overflow condition in the Certificate Trust List Provider service used by the Cisco Unified Communications Manager 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 as SID 13363.
SAP MaxDB Command Injection (CVE-2008-0244):
SAP MaxDB fails to correctly sanitize user-supplied input before passing the data to certain commands. A remote attacker may be able to inject commands to be executed on an affected system via the use of shell meta-characters.
A rule to detect attacks targeting this vulnerability is included in this release and is identified as SID 13356.
Other rules have been added to address the vulnerabilities described in CVE entries CVE-2007-5511, CVE-2007-4731, CVE-2007-6435 and CVE-2007-6335. Multiple rules have also been added to the spyware-put and web-client categories to provide further coverage for additional ActiveX vulnerabilities and spyware programs.
Rule Pack Summary:
For a complete list of new and modified rules, click here.
Warning:
Sourcefire VRT rule packs often utilize enhancements made to Snort. Operators should upgrade to the latest revision or patch level for Snort to ensure these enhancements are available before using these rules.
About the VRT:
The Sourcefire VRT is a group of leading edge intrusion detection and prevention experts working to proactively discover, assess and respond to the latest trends in hacking activity, intrusion attempts and vulnerabilities. This team is also supported by the vast resources of the open source Snort community, making it the largest group dedicated to advances in the network security industry.
Posted by on Jan 29, 2008
VRT Rules 2008-01-23
Sourcefire VRT Rules Update
Date: 2008-01-23
Synopsis:
The Sourcefire VRT is aware of vulnerabilities affecting Microsoft Windows Media Player and Adobe Flash Player. This release also contains rules to address CVE entries CVE-2008-0236, CVE-2008-0237, CVE-2007-3847 and CVE-2008-0248.
Details:
Microsoft Windows Media Player Buffer Overflow (CVE-2007-6401):
A buffer overflow condition in Microsoft Windows Media Player may be used by an attacker to execute code of their choosing on an affected system via a malicious .mp4 file.
Rules to detect attacks targeting this vulnerability are included in this release and are identified as SIDs 13316 through 13320.
Adobe Flash Player Input Validation Error (CVE-2007-6242):
Adobe Flash Player does not correctly validate user input when processing flash animation files. A remote attacker may use these vulnerabilities to execute code on an affected system.
Rules to detect attacks targeting this vulnerability are included in this release and are identified as SIDs 13300 and 13301.
Multiple other rule additions have been made to address vulnerabilities described in CVE entries CVE-2008-0236, CVE-2008-0237, CVE-2007-3847 and CVE-2008-0248.
Rule Pack Summary:
For a complete list of new and modified rules, click here.
Warning:
Sourcefire VRT rule packs often utilize enhancements made to Snort. Operators should upgrade to the latest revision or patch level for Snort to ensure these enhancements are available before using these rules.
About the VRT:
The Sourcefire VRT is a group of leading edge intrusion detection and prevention experts working to proactively discover, assess and respond to the latest trends in hacking activity, intrusion attempts and vulnerabilities. This team is also supported by the vast resources of the open source Snort community, making it the largest group dedicated to advances in the network security industry.
Posted by on Jan 23, 2008
VRT Tool 2008-01-16
Sourcefire VRT Tool Tool Update
Date: 2008-01-16
Synopsis:
The OfficeCat tool has been updated to include detection for a vulnerability in Microsoft Excel.
Details:
The OfficeCat tool has been updated to include detection for a vulnerability in Microsoft Excel. This vulnerability is identified with the CVE reference 2008-0081.
Please send feature requests and bug reports via email to vrt@sourcefire.com. Post cards and beer can be sent to the Sourcefire VRT, 9780 Patuxent Woods Drive, Columbia, MD 21045, USA.
Additionally, malware samples would be most appreciated, please contact vrt@sourcefire.com if you have some to share.
The OfficeCat tool is able to process Word, Excel and PowerPoint files and will return the appropriate reference information should possible exploit conditions be present in the document.
OfficeCat Tool Download:
Usage Instructions:
- Unzip the archive
- Open a command shell
- Execute the tool executable with a document name for checking
About the VRT:
The Sourcefire VRT is a group of leading edge intrusion detection and prevention experts working to proactively discover, assess and respond to the latest trends in hacking activity, intrusion attempts and vulnerabilities.
About Sourcefire
Sourcefire, Inc., the world leader in intrusion prevention, is transforming the way organizations manage and minimize network security risks with its 3D Approach - Discover, Determine, Defend - to securing real networks in real-time. For more information about Sourcefire, please visit www.sourcefire.com.
Posted by on Jan 16, 2008
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