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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.0233 Cisco Third-Generation IP Phone CTL Trust Chain Enforcement Vulnerability 24 February 2014 =========================================================================== 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 - --------------------------BEGIN INCLUDED TEXT-------------------- 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBUwq0HRLndAQH1ShLAQKGDBAAuaFe6jVHy0i85GBzN9SAx49SrN9Bxjcj cmYWKXyYywA28UlnItG51sm/KbYxIDw6CWN/UlrtkDpzofa4rfQ/oGoa1AOVrHso I521ujgAId1Cspi2YjzBBQ2SVqXzKl0ZbyJi8q2NfrzdNtPYT7ud8XtOWjUeXvtG xae10kt5siLJHNeyk+NQa8yCebM7rjhts4Le/8fhNtXHN6UncHWX8l+onDS5jdxL aXvdkTLx/bmXVwSL1Tck/Yy906h+RetPAHrkb7OTpKs8HzX47R1lHhXmc3fo6oTp QEQByEc4z/b6P9+8D6ZKiqSiJVw9JwyVwZf6bsFHZxkgzLWYPoXmp5n13uP89qpo OuoAByll6WZF638zQDgt0jSlC87nzMf8l1yakEN2gWoGg/veiaK6jXCd6/L7zT56 UDoRKhhhlp4wCfqSFXJPmFNMqj6tD4Y6w2dKjALIJyjo4Gmqd+Jo739SU45xwwrT YX6T1oldvO+xTnSIN6iPW5qJgiyU67Z6900LeqbJ6y5G9fQK3Cr91LJwdR29P9q4 itJTuH7hkpKekMabLjn+IwAguNslAV3EftvWISuzcD4e9qGTWHnJgleAgQDe/8NT RHuEnedUDdj49dM/kvgqhvGNyIlkgZ1s1jy0IMV3fdPtcF2wAMP0JuAipaYosm1t GfGQ7xzixSI= =yJWc -----END PGP SIGNATURE-----