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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0085 Cisco AnyConnect Secure Mobility Client for Android Service Hijack Vulnerability 9 January 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco AnyConnect Publisher: Cisco Systems Operating System: Android Impact/Access: Denial of Service -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-16007 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200108-anyconnect-hijack - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco AnyConnect Secure Mobility Client for Android Service Hijack Vulnerability Priority: Medium Advisory ID: cisco-sa-20200108-anyconnect-hijack First Published: 2020 January 8 16:00 GMT Version 1.0: Final Workarounds: No workarounds available Cisco Bug IDs: CSCvr67149 CVE-2019-16007 CWE-345 CVSS Score: 5.9 AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:X/RL:X/RC:X Summary o A vulnerability in the inter-service communication of Cisco AnyConnect Secure Mobility Client for Android could allow an unauthenticated, local attacker to perform a service hijack attack on an affected device or cause a denial of service (DoS) condition. The vulnerability is due to the use of implicit service invocations. An attacker could exploit this vulnerability by persuading a user to install a malicious application. A successful exploit could allow the attacker to access confidential user information or cause a DoS condition on the AnyConnect application. 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: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/ cisco-sa-20200108-anyconnect-hijack Affected Products o Vulnerable Products At the time of publication, this vulnerability affected Cisco AnyConnect Secure Mobility Client for Android releases earlier than Release 4.8.00826. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information. Products Confirmed Not Vulnerable Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability. Workarounds o There are no workarounds that address this vulnerability. Fixed Software o 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. Fixed Releases At the time of publication, Cisco AnyConnect Secure Mobility Client for Android releases 4.8.00826 and later contained the fix for this vulnerability. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information. Exploitation and Public Announcements o 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 o Cisco would like to thank Huan Chang for reporting this vulnerability. Cisco Security Vulnerability Policy o To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy . This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco. URL o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/ cisco-sa-20200108-anyconnect-hijack Revision History o +---------+--------------------------+---------+--------+-----------------+ | Version | Description | Section | Status | Date | +---------+--------------------------+---------+--------+-----------------+ | 1.0 | Initial public release. | - | Final | 2020-January-08 | +---------+--------------------------+---------+--------+-----------------+ - --------------------------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. 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If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== 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 iQIVAwUBXha85GaOgq3Tt24GAQgZbBAAzVctY5IzvJtNhDr2tCCXYoI/RPqPjq4B dw3lwjcth/HgulWlCEErS8pnP0qxCPYQMD55YL3W3lKF0IkwpHaJHdv1XA4Wk2d7 ekHsTbuh+S80ubqzToejDoTTTvoihe6meI/9PCV1PosmeWnkfa0TdydzKokx3xMX SQp457fLGNWrZ96BXtvdO9m58t4mKpN11W+WW0oLaNlhwQ5IsVUqC4Fl5wJuzYyu 7oBsgeRP7wlzwj/IEsQdHZWCTssarQZOxPocphBRe/nFexkh9hZz9Tvw6bbs4NWS RrHbq3vn0CGogyII/912s+oW82uh5P5fJb1EDMqgTkWzRq+ZdbcamnNn8wMACTQP 5oY1uAq82UXIIPxDqPbI7FJwm/4OEzopdoNEckcd50DcoQr1hGoLGOqNIMyUTwEd fI4BY6Xjgkj+4tt/KWtCKR/H1zmwRm/WkZ4JF5/+0zclCrOOzS2+L/9DZvaC+kO3 3JuHnrBOE9XdIqiHgv4PrWkVlUCGCzg71F9oXOHQ4YZDwXV/Wx6ZCMjZSTSGLQF4 yhvdiOZ+Dvfcj76O17JjJYJYnPo08TSn0P4eytMcEVkNFiOSdJNJQGFsYiKk6zXP jtAyzIkIDSQGg6QAUdmOn3jnoFtvAA4gZgd69iAdfhaC2JIuBqUts1omzweQbnRc O1DgK4JDytQ= =NVfv -----END PGP SIGNATURE-----