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>> Cisco 11500 Content Services Switch SSL Certificate DoS Vulnerability

Title : Cisco 11500 Content Services Switch SSL Certificate DoS Vulnerability
VUPEN ID : VUPEN/ADV-2005-2146
CVE ID : CVE-2005-3426
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2005-10-19


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 

A vulnerability has been identified in Cisco 11500 Series Content Services Switches (CSS), which may be exploited by remote attackers to cause a denial of service. This issue is due to a memory corruption error when processing a malformed digital client certificate during the negotiation of a SSL session, which could be exploited by remote attackers to cause a denial of service.

Note : This issue is only present if a CSS is configured to support SSL termination services (not configured by default).

Affected Products

Cisco CSS 11500 Series Content Services Switches Cisco WebNS version 7.1
Cisco WebNS version 7.2
Cisco WebNS version 7.3
Cisco WebNS version 7.4
Cisco WebNS version 7.5

Solution

Apply fixes :
http://www.cisco.com/warp/public/707/cisco-sa-20051019-css.shtml#software

References

http://www.vupen.com/english/advisories/2005/2146
http://www.cisco.com/warp/public/707/cisco-sa-20051019-css.shtml

Credits

Vulnerability reported by the vendor

ChangeLog

2005-10-19 : Initial release

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