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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0362 Cisco TelePresence Conductor, Cisco Expressway Series, and Cisco TelePresence Video Communication Server REST API Server-Side Request Forgery Vulnerability 7 February 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco TelePresence Conductor Cisco Expressway Series Cisco TelePresence Video Communication Server Publisher: Cisco Systems Operating System: Cisco Impact/Access: Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-1679 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190206-rest-api-ssrf - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Advisory Cisco TelePresence Conductor, Cisco Expressway Series, and Cisco TelePresence Video Communication Server REST API Server-Side Request Forgery Vulnerability Advisory ID: cisco-sa-20190206-rest-api-ssrf First Published: 2019 February 6 16:00 GMT Version 1.0: Final Workarounds: No workarounds available Cisco Bug IDs: CSCvn33987 CSCvn51692 CVE-2019-1679 CWE-918 CVSS Score: Base 5.0 CVSS: 3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X Summary o A vulnerability in the web interface of Cisco TelePresence Conductor, Cisco Expressway Series, and Cisco TelePresence Video Communication Server (VCS) Software could allow an authenticated, remote attacker to trigger an HTTP request from an affected server to an arbitrary host. This type of attack is commonly referred to as server-side request forgery (SSRF). The vulnerability is due to insufficient access controls for the REST API of Cisco Expressway Series and Cisco TelePresence VCS. An attacker could exploit this vulnerability by submitting a crafted HTTP request to the affected server. 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-20190206-rest-api-ssrf Affected Products o Vulnerable Products This vulnerability affects Cisco Expressway Series Software, Cisco TelePresence Video Communication Server (VCS) Software, and Cisco TelePresence Conductor Software. For information about affected software releases, consult the Cisco bug ID(s) at the top of this advisory. 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 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 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 This vulnerability was found during internal security testing. 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-20190206-rest-api-ssrf Revision History o +---------+---------------------------+---------+--------+-------------------+ | Version | Description | Section | Status | Date | +---------+---------------------------+---------+--------+-------------------+ | 1.0 | Initial public release. | -- | Final | 2019-February-06 | +---------+---------------------------+---------+--------+-------------------+ - --------------------------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 iQIVAwUBXFuvcWaOgq3Tt24GAQgUGQ/+O4X+OFdOtLvQ+8ZaqTl2AlJg97TET3uG VFIAIgB3/seQgjl4CCV4YMnJn6kDAKYBdk7IhKtegQkwbybCZMuoLBo0yys/cD9b wSw0YLYTZpvukUGf2F3OGgBBG+VPdMY3HR0VpBGTpYC/2L8FswrStF4jdIMGJq2F J/jHevJxmAY1JxsoCU/ETbOmZgf+cPDH+DTnCRzRXLRoUGI6ZUgJrOeMZefzfTHY MpRSViFqOmKQQpQmS+i+si8RtPXs3ToArKBBomWdxi+1+BWHn84PCebZeidXDj7f Zv7unnc3/2FQN2NIGUUK3iTboi/CtS8OaPUzrX8QuRVPG0x/d4YOuDguyotSoRG9 EE2vLOSm1RpDqwd1s9WG8pJEjoLtXLV7dVPDMi6YSP9iwymiehMO1UAKHaeNj43T hyFb51ymHs9gx/rXGmX6PxjceqxruNf4NhBhVWjuGiuA07K52NSmE0I+zSod0AuC JzRL5CErSTMxjZnJv3PvjXR/OF6fAUnnQNJRDrU6D76xgjYPPLHsoxULjO0mCav1 /upgB1sBglX7UXZfpReKGOBDM1NH5VTsHV0OoxnSrraTDNv0etLZcZ0Oh9IFvVuW ndlKrTLZfjZWrBv0sU44XZrWYjULY8IQNkeZSqwX+P1S1zWnRJmhOgwvS918FtLb BsodD5e9yvI= =L9fH -----END PGP SIGNATURE-----