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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.0779 Cisco IOS Software RTCP Input Queue Vulnerability 21 May 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco IOS Publisher: Cisco Systems Operating System: Cisco Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2014-3268 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3268 - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco IOS Software RTCP Input Queue Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3268 CVE ID: CVE-2014-3268 Release Date: 2014 May 19 13:14 UTC (GMT) Last Updated: 2014 May 19 16:56 UTC (GMT) Related Documents: Summary A vulnerability in handling Real-Time Control Protocol (RTCP) traffic in Cisco Unified Border Element (CUBE) could allow an unauthenticated, remote attacker to cause traffic that is destined to an affected device and traffic that needs to be processed switched to fail. The vulnerability is due to exhaustion of the interface input queue by the RTCP traffic. An attacker could exploit this vulnerability by sending RTCP packets in a specific sequence. An exploit could allow the attacker to cause traffic to fail that is destined to an affected device as well as traffic that needs to be processed switched. Affected Products Product More Information CVSS IOS CSCuj72215 5.0/4.1 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 iQIVAwUBU3wGOBLndAQH1ShLAQLPnA/9HSm5eRWejLcHMRY99S6PKlzjWDuisj5f iTIrYFFZENcF0XO76Dbl5/3MVwEgaCYgJO1r766wF/TwrJ1LrJeJ7uPLIYzlnlpR SVlNG0LPKdzh5dDMxIxKPsDKPrGeHYGXOFFS55gLXZqVK3jVsZa+y4XnYxiemS2p D/H5ipH08fTPWJQdDzkFv+KXOvVWmXxaLWochV+5MskNOuCPZLz2PstoeTYs+WnK yZ29tCl7St8f8DQqaZ37NkcwaFKuqp4uKoA2YF71roJMUU2AaTj91i0SGM4iOCvt Y3fFGBDo4mYSmUCjNLkWj5JB3xojmgIXBxI4MJKrtWh+K/fmNbXbK2zD/Yp8+oJI 0+uhUBJ1m+38u8IOHj7epjVAYQ7eEUriA4+F2Yb7BLVCcI2GBI6IcEa6Eh63Uequ hE8jgXcpqL9eTlqQKq4+3nLWEkbpotuYdJMeO+DHyCrscSEr0IPP0yRZLMoZ4A02 4Gz+EKWktxp1HYpjD3kLWHl7KqRtdpIwPmbiwiTk9UnL6wze2DXSbCfuLOEf5kbA fXgwGn+XFLTKqT7WLefOkjGfuteesAYt18jXGRigoeu1SofN5zzTH/5TbdcBIPfk +ekSHIt+SmC5JUUMDWXeDKSvND5a3AVrc1Npkyf/h4+ahfsmkpk2MjrGFuH+QltH Qf+TiGCoAqw= =MLP6 -----END PGP SIGNATURE-----