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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.1427 Cisco NX-OS Software Input Validation Vulnerability 10 October 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco NX-OS Software Publisher: Cisco Systems Operating System: Cisco VMware ESX Server Impact/Access: Administrator Compromise -- Console/Physical Create Arbitrary Files -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2012-4121 CVE-2012-4076 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4076 http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4121 Comment: This bulletin contains two (2) Cisco Systems security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco NX-OS Software Input Validation Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4076 CVE ID: CVE-2012-4076 Release Date: 2013 October 4 16:05 UTC (GMT) Last Updated: 2013 October 9 15:12 UTC (GMT) Related Documents: Summary A vulnerability in the input parsing of Cisco NX-OS Software could allow an unauthenticated, local attacker to execute commands on the underlying operating system. The vulnerability is due to poor processing of parameters that include special characters. An attacker could exploit this vulnerability by using using the Linux pipe symbol ( | ) within a command that executes a system() call. A successful exploit could allow the attacker access to the bash shell and run arbitrary shell commands with administrative privileges. Affected Products Product More Information CVSS Cisco NX-OS Software CSCtf23559, CSCtf27780 6.8/5.6 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/en/US/products/products_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. - ------------------------------------------------------------------------- Cisco Security Notice Cisco NX-OS Software Input Validation Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4121 CVE ID: CVE-2012-4121 Release Date: 2013 October 4 14:53 UTC (GMT) Last Updated: 2013 October 8 17:57 UTC (GMT) Related Documents: Summary A vulnerability in the Stream Editor (sed) command-line filter in Cisco NX-OS Software could allow an authenticated, local attacker to read and write arbitrary files. The vulnerability is due to an input validation issue. An attacker could exploit this vulnerability by using the sed r and sed w commands. A successful exploit could result in a complete compromise of the affected device. Affected Products Product More Information CVSS Cisco NX-OS Software CSCts56559, CSCts56565, 6.2/5.1 CSCts56570, CSCts56574 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/en/US/products/products_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. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBUlXoDRLndAQH1ShLAQLm7Q//bT0gUMqRe07yOIjXQomIPUB4x2ymhNbC Ztds0wRAApE8QR43nQqwMOL28Q0LnR+s3WfRFgivbn0VtPX+NjkdP38W7uGIFdOh YPm8FQZRtADsTa+WyD3JG/UphIKvpBj8zu/YPZ1NC3iWP4hjfV0m19KFAXAZnBvm YluvKOT6Or1k8pI0nrPQMXlc8aWtHyvbh4R31ddb4bs5aMlpYiZMJ6wEs3Zu/hj9 upws+c0MREdlum2La2BATP8pnlphtws4HKQ7hH/SjivAmo0RqJe2I0XVc22w+47u mOY/BKydH0oIuzhQlMCvVz5Oj/ckyO/6m7e8b5nIvAx06U9d2RkLkxuEPN1wk6jj LD8yPWhjadyTrZDl/ww1Z4op/FGyWfiSO8HWgQnLBRIKfPM5y0EG3ERjgPj2z7gF Xp2b1iklVO89JY66t8grGYvx7J8E35WQFQckVA5HAvu+ke1zrkxSm6GCaPLbXGFO argewWZuM4ef08jxJs2CRV8FZIFPmcbuVM3mZUu3ZYQEdyEhPzl7tZl26x9UFBuf rnWdOQvK4y8YQuPbpla6Y5/hQxJJIZTO/KJ8UU4tGx3zMpRb02OJQwsTaJMUdyZf C+GuY9BPSHuktXvel0IpNAN1lFuQtbB5mrVsr4LgJKnFPexSCDQ2jgu5ltW0kRtC /K1vtRnbsow= =vrCq -----END PGP SIGNATURE-----