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Secunia Security Advisory 36498

Secunia Security Advisory 36498
Posted Aug 28, 2009
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Some vulnerabilities have been reported in Cisco Unified Communications Manager, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service, vulnerability
systems | cisco
MD5 | f36d7b9b02215cf3decd09b2d164dd64

Secunia Security Advisory 36498

Change Mirror Download
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(Vulnerability Assessment Remediation Management)

If not, then implement it through the most reliable vulnerability
intelligence source on the market.

Implement it through Secunia.

For more information visit:
http://secunia.com/advisories/business_solutions/

Alternatively request a call from a Secunia representative today to
discuss how we can help you with our capabilities contact us at:
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TITLE:
Cisco Unified Communications Manager Denial of Service
Vulnerabilities

SECUNIA ADVISORY ID:
SA36498

VERIFY ADVISORY:
http://secunia.com/advisories/36498/

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

1) An error in the processing of SIP INVITE messages can be exploited
to terminate a critical process and disrupt the voice services.

2) An error in the handling of network connections can be exploited
to prevent new connections from being established to system services
by establishing a high amount of TCP connections with an affected
system.

3) Two errors in the processing of SIP and SCCP packets can be
exploited to close the SIP port (5060/TCP and 5061/TCP) and SCCP port
(2000/TCP and 2443/TCP) by flooding an affected system with TCP
packets.

SOLUTION:
Update to version 5.1(3g) (reportedly available in early September
2009).

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

ORIGINAL ADVISORY:
http://www.cisco.com/warp/public/707/cisco-sa-20090826-cucm.shtml

OTHER REFERENCES:
Cisco Applied Mitigation Bulletin:
http://www.cisco.com/en/US/products/products_applied_mitigation_bulletin09186a0080af2d2f.html

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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:
http://secunia.com/advisories/secunia_security_advisories/

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