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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.1976 Cisco IOS and IOS XE Software Ethernet Connectivity Fault Management Vulnerability 28 October 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco IOS and IOS XE Software Publisher: Cisco Systems Operating System: Cisco Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2014-3409 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3409 - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco IOS and IOS XE Software Ethernet Connectivity Fault Management Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3409 CVE ID: CVE-2014-3409 Release Date: 2014 October 24 12:06 UTC (GMT) Last Updated: 2014 October 24 18:10 UTC (GMT) Summary A vulnerability in the Ethernet Connectivity Fault Management (CFM) handling code of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper parsing of malformed CFM packets sent to an affected device. An attacker could exploit this vulnerability by sending malformed CFM packets to be processed by an affected device. An exploit could allow the attacker to cause a reload of the affected device. Affected Products Product More Information CVSS IOS CSCuq93406 6.1/5.0 Cisco IOS XE Software CSCuq93406 6.1/5.0 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 iQIVAwUBVE76fxLndAQH1ShLAQITTRAAuGnNKCbK6eIQVm/IcihaVrbFhosOJ/D1 9vXuinKYtcETX/N/TxDNlYQWJdeFeh6x2f2neJjZvIvNT3Veewt9KCCiCN09uGBl dMwKS0tBvm9DSRPTFEHnT6EBzh4zKpa4MKQe8YCZGryev/vEQIeRpl/bH6+IRLr+ TgWxqHpUinxY9mftPZ2SIMC3Tkv27u7m16rR0WWGSy9BeRdyZkXFFJSzORS1ToqQ AWYuGUFiaoTvv6CicM/S0O4ilWlIGhasiG7vLHEdjD7VX7lgbSRUkzIRk2vlqtFd jxt5AlaM/6wyhDJbEQIAzcR32skQMxsb6Z0EaaRMxdmlTM9JAnY71UObR4sOXVsA Cn4iJdfLY3ln+MU17c4xOtQbLQ+USlFpwd1uaTd8zBg7ZdQ0Y59tAq+fXcW1PRCy UYQiZkuyHBzeWGWtbR0KIe+VfN9cM4qk+/d+GWBSz/FpGw/xCRoc0sZ+Hy4m8aG7 sljyIoFv7aWVQyzvJczmOa1K6JioBIbwJra2aItNkRRUnUpYdhGLOqKEbsc8Mq0k 5WelXe5Q78yepya2XHktg+XVGlFUeVcwgaENbTC/j9zw/oIxsSpoIr3Fn2sqrSN7 iG/UGNsGjh33y615WdaIriwVGlZBbvp1NMxyKmAtKe5XKbs3gl7iu7llR4zrQXlz 6d2G+u0oCdM= =SWu1 -----END PGP SIGNATURE-----