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Secunia Advisory SA10610

Cisco Multiple Products H.323 Protocol Denial of Service Vulnerabilities
Secunia Advisory SA10610
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Release Date 2004-01-13
Last Update 2004-01-14
   
Popularity 15,995 views
Comments 0 comments

Criticality level Moderately criticalModerately critical
Impact DoS
Where From remote
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Operating System
Cisco ATA 180 Series Analog Telephone Adaptors
Cisco BTS 10200 Softswitch
Cisco IOS 11.x
Cisco IOS 12.x
Cisco IOS R11.x
Cisco IOS R12.x

Software:
Cisco Conference Connection (CCC) 1.x
Cisco Internet Service Node (ISN) 2.x
Cisco IP Phone 7900 Series
Cisco Unified CallManager 3.x

Secunia CVSS Score Available in Customer Area
CVE Reference(s) No CVE references.

  

Description

Multiple Cisco products contain vulnerabilities in the H.323 protocol implementation, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerabilities are caused due to various errors in the processing of H.225.0 and Q.931 messages over TCP, which can be exploited by sending specially crafted messages to an affected system (default port 1720/tcp).

Successful exploitation may crash or reboot vulnerable devices and applications or cause them to consume 100% CPU resources.

The vulnerabilities affect the following products with H.323 support:

* Cisco IOS 11.3T and later versions
* Cisco CallManager versions 3.0 through 3.3
* Cisco Conference Connection (CCC)
* Cisco Internet Service Node (ISN)
* Cisco BTS 10200 Softswitch
* Cisco 7905 IP Phone H.323 Software Version 1.00
* Cisco ATA 18x series products running H.323/SIP loads with versions earlier than 2.16.1


Solution
See patch matrices and workarounds in original advisory:
Further details available in Customer Area

Provided and/or discovered by
NISCC

Changelog
Further details available in Customer Area

Original Advisory
Cisco:
http://www.cisco.com/warp/public/707/cisco-sa-20040113-h323.shtml

NISCC:
http://www.uniras.gov.uk/vuls/2004/006489/h323.htm

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Cisco Multiple Products H.323 Protocol Denial of Service Vulnerabilities
 
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