VRT Advisories


VRT Rules 2008-04-22

Sourcefire VRT Rules Update

Date: 2008-04-22

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting HP OpenView and Asterisk Open Source applications.

Details:

HP OpenView Network Node Manager Buffer Overflow (CVE-2008-1697):
A programming error in HP OpenView Network Node Manager may allow a remote attacker to cause a stack based buffer overflow. The condition may be exploited via a long URI in an HTTP request that the attacker could use to execute code on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with SID 13715.

Asterisk RTP Buffer Overflow Vulnerabilities (CVE-2008-1289):
A programming error in Asterisk Open Source may allow a remote attacker to execute code on an affected system. The problem occurs in the handling of RTP payloads and payload sizes.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with SID 13693.

The Sourcefire VRT has also added multiple rules related to ActiveX controls and the detection of Tor network traffic.

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.