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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.1143 Cisco IOS Software and Cisco IOS XE Software NTP Access Group Vulnerability 10 July 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco IOS Cisco IOS XE Publisher: Cisco Systems Operating System: Cisco Impact/Access: Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2014-3309 Reference: ESB-2014.1129 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3309 - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco IOS Software and Cisco IOS XE Software NTP Access Group Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3309 CVE ID: CVE-2014-3309 Release Date: 2014 July 8 20:53 UTC (GMT) Last Updated: 2014 July 9 14:04 UTC (GMT) Related Documents: Summary A vulnerability in the implementation of the ntp access-group command in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass the configured Network Time Protocol (NTP) access group and query the affected NTP-configured server for the time. The vulnerability is due to improper implementation of the ntp access-group command in certain Cisco IOS Software and Cisco IOS XE Software versions. An attacker could exploit this vulnerability by sending NTP query packets to an affected NTP server configured to deny all requests. An exploit could allow the attacker to bypass the configured NTP access group and query the affected NTP-configured server for the time. Affected Products Product More Information CVSS IOS CSCuj66318 5.0/4.1 Cisco IOS XE CSCuj66318 5.0/4.1 Software 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 iQIVAwUBU74JGhLndAQH1ShLAQJL1RAAk/DTIxYhgff4qivOfD8xAK5yeFzxJ3yv J5fxKeDwXPbJ1+S7lwBRhnCDPj8HFA6LYDrzHF5CaGoxRyeIz2VyngpXZ0T1W1kl A5tn98jzjGh1I2qJ82FQaRCNsLLBEiFsWhcULgzoH0g95W76ChP0JXo1xHLw7iYo tdK3gJ+l1rpbv680V/biXBJy27ffOaKBRZIcdCGJHY2In9JIpSIfVTjL16wBnOsk c/h+2F1HARPI+WZ20+Tu0MP61XqfZoqesphmHD0MPs2z/JjLXCWPvtzKiXQ/PAkb ZRea2iT6O9kf25Q9uBCCzjNvI0tlvFxMkvLRtHhbZ3HnzP5TqcsD9JKCLVWrNitW 0OQWT9AoYvg2Io9JFvAXEICXrPJoAn0aFTg2aX5mLWS41z1TyrGYKnjAm2CYOkA4 jXG9nkNLfGW0fIvoCeB2c07f8Mhd/Rg5XGSmAAta35KHEg6APDR2rPho8g3haKPp uPsa3eVUEv7rMRyQYDn3IY9N92uaWXouabXTOjuPIzrYVJTChGveFdWPYuhlg6Fb cL2b3tJ24KVo7klmfoajJQbW8HbgFqFgpHQpFc2vCtZN86bzY3ppKrUJNfziq9c1 r6qpCvtnyReeDfkTPOdnK9VGHiDLBMpYfUBJbDU1shoAaZKFTtRhdbG1oD5d4Bty 0QTJ398fjoc= =qVd8 -----END PGP SIGNATURE-----