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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.0780 Cisco IOS Software LLDP Denial of Service 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-2014-3273 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3273 - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco IOS Software LLDP Denial of Service Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3273 CVE ID: CVE-2014-3273 Release Date: 2014 May 19 21:13 UTC (GMT) Last Updated: 2014 May 20 14:38 UTC (GMT) Related Documents: Summary A vulnerability in Link Layer Discovery Protocol (LLDP) in Cisco switches could allow an unauthenticated, adjacent attacker to cause a reload of the affected device. The vulnerability is due to incorrect handling of malformed LLDP packets. An attacker could exploit this vulnerability by sending a malformed LLDP packet destined to a switch when LLDP is enabled on an affected device. An exploit could allow the attacker to cause a reload of the affected device. Affected Products Product More Information CVSS IOS CSCum96282 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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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 iQIVAwUBU3wG7xLndAQH1ShLAQLWkg//daKOAwIBvJaxdFoffJmDGt9v/CvpMaPQ yi0oN5U1F0cMeSPx1fEUoaLq9gcEv83i2oLrPffyvn7fa7bQZ22C9U3eSsj4gWfl t27KggcZhWw70ZVWIxb9yDdjr1nIwpqGsZGeR7xKfx8CjoZQ1jj7l7f4imZnk68d bP1lmWvEAmnRixC80yzv5if3M0OXYoaoi5VYphIE4uKNzsubeXa8cy0oraifd2gk gCIz7o6qv7peaIKwocZK5qlrJIvcS9rPYzjQeJAAw7gSBKrjO+l0mc+ZEmtCxDYY 1SXqisyVXUMmgF9XtfUbKqdhliZNWSNjw8brtnARYqO8JkpmE89NI7/eODzfNRxr n1QB4Bqs5wY3htD3evbj6l+iU69v7Q6+bbYk2Mmgj3IjRxebcgL1aOCHNUafqREv e2Y1hPNIaIdWrBtL3cq0ndc0X+Q3N6kCSUSG+yUbCiRYHANO8+tPGfE8TvCppfnQ 4qxjTOrTFdr3trmOHUxFeyQgb0BRcUssv17HIwIWsBpWwecCcAzw4FMpQvnt3IMQ 0/u2lOfETcDlSlu2/CBL7dR+g04ZgBkH7T/9pHVluIY/hxkg7uTGDbJchROM/2fQ e1MOn7aAqAhiQIaKLnbZvXZ4w3bz9Cep/07j8RvK1mLeSobXxGiYlAg57xsy61zP M8QBg9W1C2A= =nITl -----END PGP SIGNATURE-----