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Cisco Catalyst Content Switching Module Memory Leak Vulnerability
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Secunia Advisory:
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SA30223
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Release Date:
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2008-05-15
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Critical:
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Moderately critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Cisco Catalyst Content Switching Module (CSM) 4.x
Cisco Catalyst Content Switching Module with SSL (CSM-S) 2.x
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| | CVE reference: | CVE-2008-1749 (Secunia mirror)
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Description:
A vulnerability has been reported in Cisco Catalyst Content Switching Module (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).
The vulnerability is caused due to a memory leak error when processing TCP segments with a specific combination of TCP flags and can be exploited to cause a DoS.
Successful exploitation requires that CSM or CSM-S is configured for layer 7 load balancing.
The vulnerability is reported in the following versions:
* CSM 4.2(3), 4.2(3a), 4.2(4), 4.2(5), 4.2(6), 4.2(7), and 4.2(8)
* CSM-S 2.1(2), 2.1(3), 2.1(4), 2.1(5), 2.1(6), and 2.1(7)
Solution:
Update to CSM version 4.2.9 or CSM-S version 2.1.8.
Cisco CSM 4.2.9:
http://www.cisco.com/pcgi-bin/tablebuild.pl/cat6000-csm?psrtdcat20e2
Cisco CSM 2.1.8:
http://www.cisco.com/pcgi-bin/tablebuild.pl/cat6000-csms?psrtdcat20e2
Provided and/or discovered by:
Reported by the vendor.
Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sa-20080514-csm.shtml
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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1 Related Secunia Security Advisories
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1. Cisco Catalyst Content Switching Modules Denial of Service Vulnerabilities
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