Cisco Unified CallManager SCCP and SCCPS Denial of Service - Advisories

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Cisco Unified CallManager SCCP and SCCPS Denial of Service

Secunia Advisory:	SA24665
Release Date:	2007-03-29
Last Update:	2007-04-03

Critical:	Less critical
Impact:	DoS
Where:	From local network
Solution Status:	Vendor Patch

Software:	Cisco Unified CallManager 3.x Cisco Unified CallManager 4.x Cisco Unified CallManager 5.x Cisco Unified Communications Manager 4.x Cisco Unified Communications Manager 5.x

CVE reference:	CVE-2007-1833 (Secunia mirror)

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Description: A vulnerability has been reported in Cisco Unified CallManager (CUCM), which can be exploited by malicious people to cause a DoS (Denial of Service). The vulnerability is caused due to an unspecified error within the handling of certain packets. This can be exploited to crash the CallManager Service by sending a series of specially crafted packets to the SCCP service (port 2000/TCP) or SCCPS service (port 2443/TCP). The vulnerability is reported in CUCM versions prior to 3.3(5)SR2a, 4.1(3)SR4, 4.2(3)SR1, and 5.0(4a)SU1. Solution: Apply updated software. CUCM 3.3: Update to CUCM 3.3(5)SR2a. http://www.cisco.com/pcgi-bin/tablebuild.pl/callmgr-33?psrtdcat20e2 CUCM 4.1: Update to CUCM 4.1(3)SR4. http://www.cisco.com/pcgi-bin/tablebuild.pl/callmgr-41?psrtdcat20e2 CUCM 4.2: Update to CUCM 4.2(3)SR1. http://www.cisco.com/pcgi-bin/tablebuild.pl/callmgr-42?psrtdcat20e2 CUCM 5.0: Update to CUCM 5.0(4a)SU1. http://www.cisco.com/pcgi-bin/tablebuild.pl/callmgr-50?psrtdcat20e2 Provided and/or discovered by: Reported by the vendor. Changelog: 2007-04-03: Added CVE reference. Original Advisory: http://www.cisco.com/warp/public/707/cisco-sa-20070328-voip.shtml Other References: http://www.cisco.com/en/US/products/p...ligence_response09186a008080f193.html



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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