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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.0233
 Cisco Third-Generation IP Phone CTL Trust Chain Enforcement Vulnerability
                             24 February 2014

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Cisco Unified IP Phone 7960G
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Create Arbitrary Files -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-0737  

Original Bulletin: 
   http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-0737

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Cisco Security Notice

Cisco Third-Generation IP Phone CTL Trust Chain Enforcement Vulnerability

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-0737

CVE ID: CVE-2014-0737

Release Date: 2014 February 20 19:44  UTC (GMT) 
Last Updated: 2014 February 21 15:16  UTC (GMT) 

Related Documents:    

Summary

A vulnerability in Certificate Trust List (CTL) authentication of Cisco 
third-generation IP phones could allow an unauthenticated, remote attacker to 
inject a crafted CTL file to the IP phone.

The vulnerability is due to insufficient authentication of the CTL file. An 
attacker could exploit this vulnerability by injecting a crafted CTL file to 
the phone. An exploit could allow the attacker to cause the phone to trust 
systems under the attacker's control.

Affected Products

Product					More Information	CVSS
Cisco Unified IP Phone 7960G		CSCuj66795		4.3/4.1

What Is a Cisco Security Notice?

The Cisco Product Security Incident Response Team (PSIRT) publishes Cisco 
Security Notices to inform customers of low- to mid-level severity security 
issues involving Cisco products.

Customers who wish to upgrade to a software version that includes fixes for 
these issues should contact their normal support channels. Free software 
updates will not be provided for issues that are disclosed through a Cisco 
Security Notice.

For additional information about Cisco PSIRT publications, see the Cisco 
Security Vulnerability Policy at 
http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html

Customers Using Third-Party Support Organizations

Customers may have Cisco products that are provided or maintained through prior 
or existing agreements with third-party support organizations, such as Cisco 
Partners, authorized resellers, or service providers. For these products, 
customers should consult their service providers or support organizations to 
ensure that any applied workaround or fix is the most appropriate in the 
intended network before it is deployed.

Disclaimer

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF 
GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS 
FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS 
LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO 
CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME. 

A stand-alone copy or paraphrase of the text of this document that omits the 
distribution URL is an uncontrolled copy, and may lack important information 
or contain factual errors.

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