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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.0096 Cisco NX-OS Software TACACS+ Command Authorization Vulnerability 24 January 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco NX-OS Software Publisher: Cisco Systems Operating System: Cisco Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2014-0676 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-0676 - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco NX-OS Software TACACS+ Command Authorization Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-0676 CVE ID: CVE-2014-0676 Release Date: 2014 January 22 16:02 UTC (GMT) Last Updated: 2014 January 23 13:10 UTC (GMT) Related Documents: Summary A vulnerability in the TACACS+ command authorization code of Cisco NX-OS Software could allow an authenticated, local attacker to execute certain commands without TACACS+ server authorization. The vulnerability is due to the processing of certain commands when executed in a sequence. An attacker could exploit this vulnerability by executing multiple commands in a sequence. A successful exploit could allow the attacker to execute certain commands without TACACS+ server authorization. Affected Products Product More Information CVSS Cisco NX-OS Software CSCum47367 6.8/5.8 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 iQIVAwUBUuHIIxLndAQH1ShLAQI5/BAAiZ1OHNRh60Oif8qP2/uTt28H9Iui/N1i mxyR2pZZFOaaPrmOBxLAtdAbrMaTgPbNaF7tkuNDOjltuXkA4aqUFSvysvNhlCBE YGea65a8PiJ2mgmKcU7kPqLIrmwCgYrvwWjKPsdTftyRl/ECeo+lCY7cF1wLggcB 6LpWA953NJmQEI2lfcKOszE6VNnOXbFs9wfQ3+BcZCobjtNbC/mR5/5cxwqlBwAs cxFrJVjYqHwEtUSuoOWCDYJfRKu9Fkf/TcBJMD1Hhcxtk9wcr/dxKvCBol8PpNZX xkCuK+kCEGvhLB8L9sHi7uEcnldH+Gg7zsvpaIil1AEldhAqNuxoCLHyt55LF6Lz KzSUYUcs23FTx2LnvhjCpIcLJZ38VaZbCFzeSS3ZvgEhA6oluCOifEmKu9oDubF4 yCHj0hCnkuTXrcnrDU4bgaTX6tgJeipm+fPcmgd37cEjBwATI5ApifVgnyZvm2i+ TQ3UFIGdefmcWGDxhkpyeIbnBgONtIGeH6y6xsDBiqErWGBwHcISOUIRNhvQQ+bG 7on0hDYAd27uH+fKLXllj34fX4O92hl14m9CnPZbPOITp4fdjM7PHWJH2IQgcOh2 ZIKE01HCCB6BvqUTudsvg7/LTK72QSEuhSk1tuC+YQgXDHRaYk2TPah/dAUlkTPl iBczUytFxGQ= =PBDv -----END PGP SIGNATURE-----