VRT Advisories

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VRT Rules 2009-02-10

Sourcefire VRT Rules Update

Date: 2009-02-10

Synopsis:

The Sourcefire VRT is aware of multiple vulnerabilities affecting Microsoft Internet Explorer, Exchange, SQL Server and Visio.

Details:

Microsoft Security Advisory MS09-002:
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 15304 and 15305.

Microsoft Security Advisory MS09-003:
Microsoft Exchange contains programming errors that may allow a remote attacker to execute code or cause a Denial of Service (DoS) on an affected system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 15301 and 15302.

Microsoft Security Advisory MS09-004:
A vulnerability in Microsoft SQL Server may allow a remote attacker to execute code on a vulnerable system. This issue may be exploited via the sp_replwritetovarbin stored procedure.

Rules to detect attacks targeting these vulnerabilities were included in a previous release and are identified with GID 1, SIDs 15127 through 15144.

Microsoft Security Advisory MS09-005:
Microsoft Visio contains programming errors that may allow a remote attacker to execute code on a vulnerable system via malformed Visio files.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3, SIDs 15298, 15299 and 15303.

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 10, 2009



VRT Rules 2009-02-03

Sourcefire VRT Rules Update

Date: 2009-02-03

Synopsis:

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

Details:

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

Microsoft Security Advisory MS08-067:
After continued research into a vulnerability affecting the Microsoft implementation of DCE/RPC, the Sourcefire VRT has made improvements to the rules that detect attacks targeting this vulnerability in order to enhance performance.

The updated rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3, SIDs 14773 through 14985.

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 03, 2009



VRT Rules 2009-01-27

Sourcefire VRT Rules Update

Date: 2009-01-27

Synopsis:

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

Details:

Oracle Secure Backup Command Injection (CVE-2008-4006):
Oracle Secure Backup contains several programming errors that may allow remote attackers to inject commands of their choosing that the application then executes in the context of the user running the service.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 15257.

Oracle BPEL Injection (CVE-2008-4014):
Oracle BPEL contains several programming errors that may allow remote attackers to inject commands of their choosing that the application then executes in the context of the user running the service.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 15256.

Oracle Secure Backup Command Injection (CVE-2008-5440):
Oracle Secure Backup contains several programming errors that may allow remote attackers to inject commands of their choosing that the application then executes in the context of the user running the service.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 15264.

Oracle Secure Backup Buffer Overflow (CVE-2008-5444):
Oracle Secure Backup contains several programming errors that may allow a remote attacker to execute code on a vulnerable system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 15255.

Oracle Secure Backup Command Injection (CVE-2008-5448):
Oracle Secure Backup contains several programming errors that may allow remote attackers to inject commands of their choosing that the application then executes in the context of the user running the service.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 15261 and 15262.

Oracle Secure Backup Command Injection (CVE-2008-5449):
Oracle Secure Backup contains several programming errors that may allow remote attackers to inject commands of their choosing that the application then executes in the context of the user running the service.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 15258.

Oracle BEA WebLogic Denial of Service (CVE-2008-5457):
Oracle BEA WebLogic Apache Connector contains a vulnerability that may allow a remote attacker to cause a Denial of Service (DoS) against the application.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 15263.

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 27, 2009



VRT Rules 2009-01-20

Sourcefire VRT Rules Update

Date: 2009-01-20

Synopsis:

The Sourcefire VRT has added multiple rules to the web-activex, specific-threats, web-client and multimedia rule sets to provide coverage for emerging threats from these technologies.

Details:

Security Fix - This module pack resolves a potential recursive evaluation DoS condition in SO rules that utilize the built-in content match API function. Sourcefire recommends installing this release as soon as possible if high latency is encountered when dealing with large SMB file transfers.

As a result of ongoing research, the Sourcefire VRT has added multiple rules to the web-activex, specific-threats, web-client and multimedia 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 Jan 20, 2009



VRT Rules 2009-01-13

Sourcefire VRT Rules Update

Date: 2009-01-13

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting Microsoft products.

Details:

Microsoft Security Advisory MS09-001:
The Microsoft implementation of the Server Message Block (SMB) protocol contains programming errors that may allow a remote attacker to execute code on a vulnerable system. These issues do not require authentication for exploitation to occur.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 3 and SIDs 15196 through 15227.

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 13, 2009



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