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>> Cisco UCM SIP Remote Denial of Service Vulnerabilities

Title : Cisco UCM SIP Remote Denial of Service Vulnerabilities
VUPEN ID : VUPEN/ADV-2008-2671
CVE ID : CVE-2008-3800 - CVE-2008-3801
CWE ID : CWE-20
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2008-09-25


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

Two vulnerabilities have been identified in Cisco Unified Communications Manager, which could be exploited by attackers to cause a denial of service. These issues are caused by errors in the Session Initiation Protocol (SIP) service when processing specific and valid SIP messages, which could be exploited by attackers to cause a vulnerable device to reload, creating a denial of service condition.

Affected Products

Cisco Unified CallManager 4.1 versions prior to 4.1.3SR8
Cisco Unified CallManager 4.2 versions prior to 4.2(3)SR4b
Cisco Unified CallManager 4.3 versions prior to 4.3(2)SR1a
Cisco Unified Communications Manager 5.x versions prior to 5.1(3d)
Cisco Unified Communications Manager 6.x versions prior to 6.1(2)su1

Solution

Upgrade to a fixed version :
http://tools.cisco.com/support/downloads/go/Redirect.x?mdfid=278875240

References

http://www.vupen.com/english/advisories/2008/2671
http://www.cisco.com/warp/public/707/cisco-sa-20080924-cucm.shtml

Credits

Vulnerabilities reported by the vendor.

ChangeLog

2008-09-25 : Initial release

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