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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3322 Cisco TelePresence Collaboration Endpoint and RoomOS Software Denial of Service Vulnerability 7 October 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: TelePresence Collaboration Endpoint RoomOS Software Publisher: Cisco Systems Operating System: Cisco Impact/Access: Denial of Service -- Existing Account Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-34758 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tpce-rmos-mem-dos-rck56tT - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco TelePresence Collaboration Endpoint and RoomOS Software Denial of Service Vulnerability Priority: Medium Advisory ID: cisco-sa-tpce-rmos-mem-dos-rck56tT First Published: 2021 October 6 16:00 GMT Version 1.0: Final Workarounds: No workarounds available Cisco Bug IDs: CSCvy60378 CVE Names: CVE-2021-34758 CWEs: CWE-732 Summary o A vulnerability in the memory management of Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software could allow an authenticated, local attacker to corrupt a shared memory segment, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient access controls to a shared memory resource. An attacker could exploit this vulnerability by corrupting a shared memory segment on an affected device. A successful exploit could allow the attacker to cause the device to reload. The device will recover from the corruption upon reboot. 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-tpce-rmos-mem-dos-rck56tT Affected Products o Vulnerable Products At the time of publication, this vulnerability affected Cisco devices if they were running a vulnerable release of Cisco TelePresence CE Software or Cisco RoomOS Software. For information about which Cisco software releases were vulnerable at the time of publication, see the Fixed Software section of this advisory. 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 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, the release information in the following table (s) was accurate. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information. The left column lists Cisco software, and the right column indicates whether a release was affected by the vulnerability described in this advisory and which release included the fix for this vulnerability. Cisco TelePresence CE Software Release First Fixed Release Earlier than 10.7 Migrate to a fixed release. 10.7 10.7.2 Cisco RoomOS Software Release First Fixed Release Earlier than September 2021 Drop September 2021 Drop The Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory. Exploitation and Public Announcements o The Cisco 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 by KY of the Cisco Advanced Security Initiatives Group (ASIG). 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-tpce-rmos-mem-dos-rck56tT Revision History o +----------+---------------------------+----------+--------+--------------+ | Version | Description | Section | Status | Date | +----------+---------------------------+----------+--------+--------------+ | 1.0 | Initial public release. | - | Final | 2021-OCT-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. 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: 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 iQIVAwUBYV5HWONLKJtyKPYoAQiejBAArwdr5eUDotpRNrggdpCTt0iQpLqTRBVJ EPP/QLUUjQ2UU7NSr6uyIyv8lImHuwSMvLs3Jr3eVz7kxolbL+mS3q3hoHQ97dtx Wy5gb4e0scoC3KbaGZSUnY3mBoYpsZPp/YkQD9emPCYAuh6DuroPu9IqtuAzai5W 6d7sUZStyfpxliRe43/XqXdsehQwiXXE6CsBPMmpWjxoGJv0i8QCgaFyevU+lBzi j71PG4gOt7hD2A86oiqIWuUbh5Z0EdRjZxRTanLp4pSEBaKsaU3+NyDrI39cA0kO PQyafvr/UhXeUjNh6Za1rBK2S3QVVRnBfuKYvB1V1dJrKjal7GkS01GOSgwan3kj UboY8vAetiW+Iu3dU5BDWsryDnuvB8PW0vDBUc5Q+qBfvES8G5xoPi/uoXZne2LT zIQ5TniynBtFaoH4tQkfJ4dNS04BOjWgRuscDHBgWddqUXLP5AVAggtWOsRFaZCd H7Y0dyg6rKyvE9JxT6hNIsTs6SMzrLIg1ytqd45gMIoILg8fHg9IdWDTbKyDtFEy oo5qUlAy/ejZOTowzEfghyArw0k1azxtroAUsKocihEjn/x5ttqN9MaBQDMUws+F 3thYUIp63tm35Ztod0hqPbwjW94FWqgzPDuPVc8SnSs5a52l23ij7FJ9iUt7UHht mG1dHeuoQT4= =XKrb -----END PGP SIGNATURE-----