Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2498 Cisco AnyConnect Network Access Manager Dual-Homed Interface Vulnerability 5 October 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco AnyConnect Network Access Manager (NAM) Publisher: Cisco Systems Operating System: Cisco Impact/Access: Unauthorised Access -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2017-12268 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-anam - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco AnyConnect Network Access Manager Dual-Homed Interface Vulnerability Medium Advisory ID: cisco-sa-20171004-anam First Published: 2017 October 4 16:00 GMT Version 1.0: Final Workarounds: No workarounds available Cisco Bug IDs: CSCvf66539 CVSS Score: Base 5.5 CVE-2017-12268 CWE-264 Summary A vulnerability in the Network Access Manager (NAM) of Cisco AnyConnect Secure Mobility Client could allow an authenticated, local attacker to enable multiple network adapters. The vulnerability is due to insufficient NAM policy enforcement. An attacker could exploit this vulnerability by manipulating network interfaces of the device to allow Multiple active network interfaces. A successful exploit could allow the attacker to send traffic over a non-authorized network interface. Cisco has released software updates that address this vulnerability. Workarounds that address this vulnerability are not available. This advisory is available at the following link: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-anam Affected Products Vulnerable Products This vulnerability affects Cisco AnyConnect Mobility Client for Windows. For information about affected software releases, consult the Cisco bug ID(s) at the top of this advisory. 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 For information about fixed software releases, consult the Cisco bug ID(s) at the top of this advisory. When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page, 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. Source This vulnerability was found during the resolution of a support case. URL https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-anam Revision History Version Description Section Status Date 1.0 Initial public release. - Final 2017-October-04 - --------------------------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 iQIVAwUBWdWAkYx+lLeg9Ub1AQh5fRAAolJSbShP8TWzCfpIQSo/B+p0s/W0iceR VZWI1YWWZ0v7vPC7XjAnqdVM+uZS9jn+sWRwzJIImLO0M6nZNLzHMYnqBEMDfWxW GF7ZipTbRri31jOv6PLtwzA2O2xmAA0Ji12WBSjzIctfpvBzIndNJUfToaa3ixQ+ EX2Qw7ib9QZnzNaVO7UVojTidK9Lj+fMkS54/QF3TgA1HV31OT/jCPhOWri7akGR j09wBGtJkfInNmQUSbOJbnFg0QZ+dRPCWv3BDYaTh0gcCZbzCvo2WIV6varJgWIc Y/3MAF1i2Zy7rJHejBfFgMWz7Tq3HS7b22YfJM4+BakKNcAEnqq2CLgn2GmlGtNO Y+GLs7UMonlHNtwQwztsMWxITRKh1uV3KT5QyKKuD4fMVJ8J7ktzcMdMZVlLYDNU lqgnZaR6G38R8zdBX1F9CgvIOzpgBHgN4iy/TtwlQ4r1j7fKaDkjR5CZMPy+p7bz Y99Mo3256k54B/n7449Ic79QHZ1NoXcaIwG0jold82eulOFMxx1i/DyeDJY03VW4 CQ6xzs79JTp3gDUu/Rqbj+hIsJpwQ3NCrbgLAYDqMJtb4dOUGZY4DO5+2DYPBMQP b4onQGJ81ZiZ8NnF1JKaMq1Y7twfpKOxM43QrXNJgSdKwONbPdk3CNzpHSlDIOwB PNbpcbtjC54= =5e/i -----END PGP SIGNATURE-----