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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2015.3125 Cisco Unified Communications Manager Mobile and Remote Access Services Identity Attack Vulnerability 15 December 2015 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco Unified Communications Manager Publisher: Cisco Systems Operating System: VMware ESX Server Cisco Impact/Access: Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2015-6410 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-ucm - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Advisory Cisco Unified Communications Manager Mobile and Remote Access Services Identity Attack Vulnerability Medium Advisory ID: cisco-sa-20151209-ucm Published: 2015 December 9 00:00 GMT Version 1.0: Final CVSS Score: Base - 4.0 Workarounds: No workarounds available Cisco Bug IDs: CSCuu97283 CVE-2015-6410 CWE-20 Summary A vulnerability in edge devices of the Cisco Unified Communications Manager using Mobile and Remote Access (MRA) services could allow an unauthenticated, remote attacker to perform an identity theft attack. The vulnerability is due to improper identity validation of the edge devices. An attacker could exploit this vulnerability by spoofing a user's identity and taking ownership of the edge device. A successful exploit will allow the attacker to setup and receive voice calls acting as the registered user of the device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-ucm Affected Products Vulnerable Products Cisco Unified Communications Manager Mobile and Remote Access Edge Devices. Products Confirmed Not Vulnerable No other Cisco products are currently known to be affected by this vulnerability. Workarounds There are no workarounds that address this vulnerability. Fixed Software When considering software upgrades, customers are advised to consult the Cisco Security Advisories and Responses archive at http://www.cisco.com/go/psirt and review subsequent advisories to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers. Exploitation and Public Announcements The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. URL http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-ucm Revision History Version Description Section Status Date 1.0 Initial public release Final 2015-December-09 Legal 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 standalone 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. The information in this document is intended for end users of Cisco products. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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). 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