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TITLE:
Cisco Unified Communications Manager SIP Processing Denial of Service

SECUNIA ADVISORY ID:
SA36836

VERIFY ADVISORY:
http://secunia.com/advisories/36836/

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 an error in the SIP
implementation. This can be exploited to trigger a reload of the main
Cisco Unified Communications Manager process via specially crafted SIP
messages.

The vulnerability is reported in the following versions:
* Cisco Unified Communications Manager 5.x versions prior to 5.1(3g)
* Cisco Unified Communications Manager 6.x versions prior to 6.1(4)
* Cisco Unified Communications Manager 7.0.x versions prior to
7.0(2a)su1
* Cisco Unified Communications Manager 7.1.x versions prior to 7.1(2)

SOLUTION:
Cisco Unified Communications Manager 5.x:
Update to version 5.1(3g).

Cisco Unified Communications Manager 6.x:
Update to version 6.1(4)

Cisco Unified Communications Manager 7.0.x:
Update to version 7.0(2a)su1.

Cisco Unified Communications Manager 7.1.x:
Update to version 7.1(2).

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

ORIGINAL ADVISORY:
http://www.cisco.com/warp/public/707/cisco-sa-20090923-cm.shtml

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