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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.1599 Cisco IOS XR Software OSPFv3 Denial of Service Vulnerability 11 November 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco IOS XR Software Publisher: Cisco Systems Operating System: Cisco Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2013-5565 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5565 - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco IOS XR Software OSPFv3 Denial of Service Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5565 CVE ID: CVE-2013-5565 Release Date: 2013 November 6 23:29 UTC (GMT) Last Updated: 2013 November 7 19:40 UTC (GMT) Related Documents: Summary A vulnerability in the Open Shortest Path First version 3 (OSPFv3) implementation in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a crash of the OSPFv3 process on an affected device. The vulnerability is due to improper parsing of malformed type 1 link-state advertisement (LSA) packets. An attacker could exploit this vulnerability by sending a malformed type 1 LSA packet to a vulnerable device. An exploit could allow the attacker to cause a crash of the OSPFv3 process on an affected device, which may lead to a denial of service (DoS) condition. Affected Products Product More Information CVSS Cisco IOS XR Software CSCuj82176 5.8/4.8 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/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. 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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 iQIVAwUBUoBcoxLndAQH1ShLAQKGJhAAjvaqqpqxloelADi7cA1UN1fZev3r4XV3 W4IfrjhVL5BY1nFa2i5js5SuQOEPGqgyHH/J2kvMEZEYb6IoPkwRq/SlzIyKb8jC Wys0Vb2G9ECIwcnJgMP9iUp8O+QsVuQhl7d7D/24wM0B2SU/6srcOU+lN3pGpdLL wbm9jrG7scQ18YlcOiBYEpJoybyiUkWD5ISOmF1xKEzGqIBqow6xPFUfhbw2hqiv k6rr3uEh1drIY4uYE01WivvCesU/Pzzv/IPKXs7+NXGcXDXx0Cs3UI+uuVYjXPS9 apOh0UyW8dvOE0ZaXUgoTASOaehYclNLuy/5GzvLYT+dCYCkfjzrnzs4h9YfRqwF RtL7q7KESN4qbAEsSpc3vkJmcH0qQ7Mx51j592uaZKwKGDqfpMDiMjyaEh/60ZWO ErApFEVx65TEl6t4gcbxDQ2H6Sq0gdXSUT20ZB5HfkXsrEEr1OEoOBHcUJEK2/z9 c2aNKKBPDkk6tVNUmjc4GKIHJRtSfLZhaygAf2gxPiPbEMqOQnr7+FqqQ16Tr2D/ ZtDGocyRAclpIBlwjzK3puQ02nH6VXdV0dTww6/DJgA/pprBrWF+B6Q4LXEbquBl OIG3/HoQv0CTys2+MnCYfJOfR6Pbu606pX5mntNYhMzBTyL+pMyfBqH079gcdNhX ov/AEdvPYJc= =Mgvy -----END PGP SIGNATURE-----