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Moderately critical

Cisco Catalyst Content Switching Modules Denial of Service Vulnerabilities

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Release Date:  2007-09-06    Last Update:  2007-09-11    Views:  9,433

Secunia Advisory SA26724

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Two vulnerabilities have been reported in the Cisco Catalyst Content Switching Modules (CSM) and Cisco Catalyst Content Switching Module with SSL (CSM-S), which can be exploited by malicious people to cause a DoS (Denial of Service).

1) An unspecified error exists when processing certain TCP packets that were received out of order. This can be exploited to cause a high CPU load or a device reload due to a FPGA4 exception with icp.fatPath length error by sending specially crafted TCP packets to a vulnerable system.

2) An unspecified error exists within the "service termination" option, which can be exploited to cause a PGA4 exception 1 IDLE error under a high network load by sending specially crafted TCP packets to a vulnerable system.

Vulnerability #1 is reported in CSM 4.2 prior to 4.2.3a and CMS-S 2.1prior to 2.1.2a. Vulnerability #2 is reported in CSM 4.2 prior to 4.2.7 and CMS-S 2.1 prior to 2.1.6.


Solution:
Apply updated versions. See vendor advisory for details.

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
http://www.cisco.com/en/US/products/products_security_advisory09186a00808b4d3b.shtml

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Cisco Catalyst Content Switching Modules Denial of Service Vulnerabilities

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