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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.1911 Cisco Webex Meetings Client Software Logging Information Disclosure Vulnerability 3 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco Webex Meetings Publisher: Cisco Systems Operating System: Cisco Impact/Access: Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-1544 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-8fpBnKOz - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Webex Meetings Client Software Logging Information Disclosure Vulnerability Priority: Medium Advisory ID: cisco-sa-webex-8fpBnKOz First Published: 2021 June 2 16:00 GMT Version 1.0: Final Workarounds: No workarounds available Cisco Bug IDs: CSCvx88066 CVE Names: CVE-2021-1544 CWEs: CWE-497 Summary o A vulnerability in logging mechanisms of Cisco Webex Meetings client software could allow an authenticated, local attacker to gain access to sensitive information. This vulnerability is due to unsafe logging of application actions. An attacker could exploit this vulnerability by logging onto the local system and accessing files containing the logged details. A successful exploit could allow the attacker to gain access to sensitive information, including meeting data and recorded meeting transcriptions. 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-webex-8fpBnKOz Affected Products o Vulnerable Products At the time of publication, this vulnerability affected Cisco Webex Meetings client software releases earlier than Release 41.4. 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, Cisco Webex Meetings client software releases 41.4 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 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-webex-8fpBnKOz Revision History o +----------+---------------------------+----------+--------+--------------+ | Version | Description | Section | Status | Date | +----------+---------------------------+----------+--------+--------------+ | 1.0 | Initial public release. | - | Final | 2021-JUN-02 | +----------+---------------------------+----------+--------+--------------+ - --------------------------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 iQIVAwUBYLgtd+NLKJtyKPYoAQgT2g/+PTsrdO7GgEBE4aM161uESIIqGcAXQBYR PlK0QtBlpQ7vt6aT7hEHJmgS4XG39Gs74/UrO/5nz797AF7abbo6JQO15c1h4dQW EopDpwIqyO43Ik8k6FZHIQF+6GSV/gSST+kdv577MiakHmwW+z0hMsT8zRPxslAg rszKcv8HXS2mVXKXo2YEp/O4AGiSatz5MVe7222LSsxlSKlwHRvfQ+qKp/atxV80 eSE9iFS0bQ9C5XiVPiYG2WEdb417i8BMclMFuqtNNsIcjxiwWntUxITXmGgYQQ5C R0/HxC+JLaJJlD75DvfXCB/z+KnZKTvgZ5qhafcIWhgxZVlGs0amnuOFydBxIwx5 7rncQHnFOf1JN7pVsbXgolRZthSLoS5n1klaOEo+Y5jmuTI1iPD6KbrHyZ/L9bpv NMLohuVhNsWQifd0W37fnvI7BDGQW1D7M3J/UfG2Dtxor4SL00JpAAVN0GIiy/pJ kSZVPXAP/KcRvTIyrir1nCKE31u4rx6sz2WI5vcTdB+9Q8HeixXyqVXtM6gn90al mlTHWfu/4yl2dDTOlnhqc3chAgrihUSwYeXSzkQcjlL2crlWMODvwQWHC08JJdNI CS0Xp/yrvNPXlWFoiCu6RbX+GR0HXuZYcyAC84hAN4k7yzZYVESr/THVKoWRO+el VGpShgWm+JI= =2Imf -----END PGP SIGNATURE-----