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TITLE:
Cisco Unified Communications Manager SIP Message Processing Denial of
Service Vulnerability

SECUNIA ADVISORY ID:
SA46226

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46226/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46226

RELEASE DATE:
2011-10-30

DISCUSS ADVISORY:
http://secunia.com/advisories/46226/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/46226/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=46226

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Cisco Unified Communications
Manager, which can be exploited by malicious people to cause a DoS
(Denial of Service).

The vulnerability is caused due to a memory leak of Session Control
Buffers (SCB) when processing SIP messages. This can be exploited to
cause a critical process to fail and disrupt voice services via
specially crafted messages sent to TCP and UDP ports 5060 and 5061.

SOLUTION:
Update to version 8.6(1), 8.5(1)su2, or 7.1(5b)su4.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://www.cisco.com/warp/public/707/cisco-sa-20110928-cucm.shtml

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
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clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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