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TITLE:
Cisco Unified Communications Manager SIP Packet Processing
Vulnerability

SECUNIA ADVISORY ID:
SA26362

VERIFY ADVISORY:
http://secunia.com/advisories/26362/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Cisco Unified Communications Manager 5.x
http://secunia.com/product/11019/
Cisco Unified Communications Manager 6.x
http://secunia.com/product/14776/

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

The vulnerability is caused due to an error within the processing of
SIP packets and can be exploited to crash the device or execute
arbitrary code via a specially crafted SIP packet.

The vulnerability is reported in versions 5.0, 5.1, and 6.0.

SOLUTION:
Update to the fixed versions.

CUCM 5.0:
Update to CUCM 5.1(2b).

CUCM 5.1(2b):
http://www.cisco.com/pcgi-bin/tablebuild.pl/callmgr-51?psrtdcat20e2

CUCM 6.0(1a):
http://www.cisco.com/pcgi-bin/tablebuild.pl/callmgr-60

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

ORIGINAL ADVISORY:
http://www.cisco.com/warp/public/707/cisco-sa-20070808-IOS-voice.shtml

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

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


Please Note:
Secunia recommends that you verify all advisories you receive by
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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