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>> Cisco Content Switching Module Multiple Remote Denial of Serice Vulnerabilities

Title : Cisco Content Switching Module Multiple Remote Denial of Serice Vulnerabilities
VUPEN ID : VUPEN/ADV-2007-3062
CVE ID : CVE-2007-4788 - CVE-2007-4789
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-09-06


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

Two vulnerabilities have been identified in Cisco Content Switching Modules (CSM) and Cisco Content Switching Module with SSL (CSM-S), which could be exploited by remote attackers to cause a denial of service.

The first issue is caused by an error when processing malformed TCP packets, which could be exploited by attackers to cause a vulnerable device to reload or exhaust all available memory resources, creating a denial of service condition.

The second vulnerability is caused by an error in the service termination when enabled on a module that is under high network utilization, which could cause a vulnerable system.

Affected Products

Cisco Content Switching Modules (CSM) versions 4.2.x
Cisco Content Switching Module with SSL (CSM-S) versions 2.1.x

Solution

Apply fixes :
http://www.cisco.com/pcgi-bin/tablebuild.pl/cat6000-csm?psrtdcat20e2
http://www.cisco.com/pcgi-bin/tablebuild.pl/cat6000-csms?psrtdcat20e2

References

http://www.vupen.com/english/advisories/2007/3062
http://www.cisco.com/warp/public/707/cisco-sa-20070905-csm.shtml

Credits

Vulnerabilities reported by the vendor.

ChangeLog

2007-09-06 : Initial release

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