VRT Advisories

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VRT Rules 2009-07-29

Sourcefire VRT Rules Update

Date: 2009-07-29

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting ISC BIND.

Details:

ISC BIND Dynamic Update DoS (CVE-2009-0696):
The ISC BIND daemon suffers from programming errors that may allow a remote attacker to cause a Denial of Service (DoS) attack against a vulnerable system. The problem applies to DNS servers using BIND that are configured to be the master server for a zone.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 15734.

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 29, 2009



VRT Rules 2009-07-28

Sourcefire VRT Rules Update

Date: 2009-07-28

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Microsoft Internet Explorer.

Details:

Microsoft Security Advisory (MS09-034):
Microsoft Internet Explorer contains programming errors 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 15731 through 15733.

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 28, 2009



VRT Rules 2009-07-22

Sourcefire VRT Rules Update

Date: 2009-07-22

Synopsis:

The Sourcefire VRT is aware of a vulnerability in Adobe Reader and Adobe Acrobat.

Details:

Adobe Acrobat and Reader Buffer Overflow:
Adobe Acrobat and Adobe Reader suffer from a programming error that may allow a remote attacker to execute code on an affected system. The problem occurs during the processing of a flash file embedded in a pdf document.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 15727 through 15729.

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 22, 2009



VRT Rules 2009-07-21

Sourcefire VRT Rules Update

Date: 2009-07-21

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting products from Apple and Unisys. Additionally, the Sourcefire VRT has added multiple rules to the SCADA, Oracle, specific-threats, chat, web-client and exploit rule sets to provide coverage for emerging threats from these technologies.

Details:

Apple iTunes Buffer Overflow (CVE-2009-0950):
Apple iTunes contains a programming error that may allow a remote attacker to execute code on a vulnerable system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 15703 through 15707.

Unisys Business Information Server Buffer Overflow (CVE-2009-1628):
The Unisys Business Information Server contains a programming error that 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 1, SID 15708.

As a result of ongoing research the Sourcefire VRT has added multiple rules to the SCADA, Oracle, specific-threats, chat, web-client and exploit 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 21, 2009



VRT Rules 2009-07-16

Sourcefire VRT Rules Update

Date: 2009-07-16

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting the ISC DHCLIENT daemon.

Details:

ISC DHCLIENT Buffer Overflow (CVE-2009-0692):
The ISC DHCLIENT daemon suffers from a programming error that may allow a remote attacker to capitalize on a stack overflow and execute code on an affected machine.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 15700.

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 16, 2009



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