Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.1435 Cisco Fourth-Generation RT Style IP Phone Crafted SDP Packet Vulnerability 11 October 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco IP phone Publisher: Cisco Systems Operating System: Cisco Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2013-5526 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5526 - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco Fourth-Generation RT Style IP Phone Crafted SDP Packet Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5526 CVE ID: CVE-2013-5526 Release Date: 2013 October 9 12:15 UTC (GMT) Last Updated: 2013 October 10 17:32 UTC (GMT) Related Documents: Summary A vulnerability in the SDP negotiation logic of Cisco fourth-generation IP phones (9900 Series) could allow an unauthenticated, remote attacker to cause the phone to reboot. The vulnerability is due to improper processing of crafted SDP packets. An attacker could exploit this vulnerability by sending crafted SDP packets to the phone to cause the phone to reload. Affected Products Product More Information CVSS Cisco IP phone CSCuf06698 5.4/5.1 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/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 iQIVAwUBUldK6hLndAQH1ShLAQJ6bBAAtPY38BxpQ8Zp1E1vEZpyzxQO6QEcRbjZ 1ClGr1yiDIxR5MToYeST2zqGJhT/so6dSmfBOAx2YxdmX0/BunjVTS6EJjlastNZ xgtWOnHOAFxcwEdvWe4O7eSATnsyFHRO7Szt7DgqWKv2aZ85uIyN6rKwxsLlD1+n qxojCKBURTSS350566wEtwl7aDSo/bV7OBqtuAfH+GQVdPUpKGfK1PyluU8wVzTv LL367ofmCwwwqfpOz51H8zhaAKrgp3m+2ncDNdayNrvKHdg6/dz6Yqk3f1KLMaOK dije5tj8p0zMsSViv1/LrRVO7i+G38n7EPT1J+eu+5wO2ZabbzDYhAJFwoha9tTJ 6PH4PYwDQf+tZdKg0qHOyhn2G2es5yktOGvWBQjt660dcBHyXp3tQZwW2n9owmoF fgEs7x8lUnBwQAPLJuoRrE8c3Q20fm3lXNrDtLnssA6ADHFeZAB6NsUXIJVLGnEa OFwfzWGYKLzLWRbCqoTuHZ3lDYQ9rovt+/AzUyqvqoqRoPiqz0/D2xAh9jeKxCiH VaZFCSCK6BljlWE2QhmuByh3bB1QNQots/l4vspu0b7wExy6Wa861XwBm/IDL3aH TWHqS1vQDHZzHcj5YXzUkH8f8Kdm/xNxaf7iKODyvzJAtGboJBZxIvHxtTdaE2BY QwtThLWKxVc= =W8Xh -----END PGP SIGNATURE-----