VRT Advisories

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VRT Rules 2008-07-08

Sourcefire VRT Rules Update

Date: 2008-07-08

Synopsis:

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

Details:

Microsoft Security Advisory (MS08-037):
Microsoft Windows DNS client and server are prone to a DNS spoofing vulnerability that may allow an attacker to redirect network traffic.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3 and SID 13887. In addition, a previously released rule will detect attacks targeting this vulnerability and is identified with GID 3 and SID 13667.

Microsoft Security Advisory (MS08-038):
Microsoft Windows Explorer does not correctly parse search files when saving. Explorer may exit and restart in an exploitable manner, allowing a remote attacker to execute code on an affected system in the context of the current user.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13893 and 13911.

Microsoft Security Advisory (MS08-039):
Microsoft Outlook Web Access for Exchange Server is vulnerable to a cross site scripting attack that may allow remote attackers to escalate their level of privilege on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13894 and 13895.

Microsoft Security Advisory (MS08-040):
Microsoft SQL Server contains multiple vulnerabilities that may allow an attacker to escalate their level of privilege on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 13888 through 13892.

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 Jul 08, 2008



VRT Rules 2008-07-01

Sourcefire VRT Rules Update

Date: 2008-07-01

Synopsis:

The Sourcefire VRT has added multiple rules in the spyware-put and backdoor categories to provide coverage for emerging spyware and backdoor threats.

Details:

As a result of ongoing research, the Sourcefire VRT has added multiple rules to the spyware-put and backdoor rule sets to provide coverage for emerging threats from these technologies.

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 Jul 01, 2008



VRT Rules 2008-06-24

Sourcefire VRT Rules Update

Date: 2008-06-24

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Adobe Photoshop and HP Instant Support DataManager.

Details:

Adobe BMP Handling Buffer Overflow (CVE-2008-1765):
Adobe Photoshop Album Starter Edition contains a programming error that may allow a remote attacker to execute code on a vulnerable system. The problem arises when the application attempts to process a specially crafted bitmap (BMP) image.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1 SID 13865.

HP Instant Support Remote Unauthorized Access (CVE-2008-0953):
The HP Instant Support ActiveX control contains a programming error that may allow a remote attacker to take control of an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1 and SIDs 13857 through 13860.

Additionally, as a result of ongoing research, the Sourcefire VRT has added multiple rules to the spyware-put and backdoor rule sets to provide coverage for emerging threats from these technologies.

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 Jun 24, 2008



VRT Rules 2008-06-10

Sourcefire VRT Rules Update

Date: 2008-06-10

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting the Microsoft Internet Explorer, Speech API, DirectX, WINS, Active Directory and the Windows operating system.

Details:

Microsoft Security Advisory (MS08-031):
Microsoft Internet Explorer contains a programming error that may allow a remote attacker to execute code on a vulnerable system.

A previously released rule will detect attacks targeting this vulnerability and is identified with GID 1 and SID 12279.

Microsoft Security Advisory (MS08-032):
The Microsoft Speech API contains a programming error that may allow a remote attacker to take control of a vulnerable system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3 and SIDs 13828 through 13833.

Microsoft Security Advisory (MS08-033):
Microsoft DirectX contains programming errors that may allow a remote attacker to execute code on a vulnerable system. These errors occur when DirectX attempts to parse malformed video and SAMI files.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 13823 and 13824.

Microsoft Security Advisory (MS08-034):
Microsoft WINS contains a programming error that may allow a remote attacker to take control of an affected system. The vulnerability occurs when WINS attempts to process malformed packet data.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3 and SID 13826.

Microsoft Security Advisory (MS08-035):
Microsoft Active Directory is prone to a Denial of Service (DoS) attack that may be triggered by a remote attacker who is able to send malformed requests to the LDAP service.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3 and SID 13835.

Microsoft Security Advisory (MS08-036):
The Microsoft Windows operating system is prone to a Denial of Service (DoS) attack that may be triggered by a remote attacker who is able to send malformed PGM packets to a vulnerable system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 13827 and 13825.

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 Jun 10, 2008



VRT Rules 2008-06-05

Sourcefire VRT Rules Update

Date: 2008-06-05

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Mozilla Firefox and CA ARCserve Backup.

Details:

CA ARCserve Backup Command Execution (CVE-2008-1329):
CA ARCserve Backup contains a programming error that may allow a remote attacker to execute commands on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1 SID 13839.

Mozilla Firefox Code Execution (CVE-2008-1236):
Mozilla Firefox, Thunderbird and Seamonkey contain a programming error that may allow a remote attacker to execute code on an affected machine.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1 SID 13838.

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 Jun 05, 2008



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