Cisco Bug: CSCvt99384 - Cisco Webex Meetings Desktop App for Windows Shared Memory Information Disclosure
Oct 19, 2020
- Cisco Webex Meetings Online
Known Affected Releases
Symptom: A vulnerability in Cisco Webex Meetings Desktop App for Windows could allow an authenticated, local attacker to gain access to sensitive information on an affected system. The vulnerability is due to unsafe usage of shared memory that is used by the affected software. An attacker with permissions to view system memory could exploit this vulnerability by running an application on the local system that is designed to read shared memory. A successful exploit could allow the attacker to retrieve sensitive information from the shared memory, including usernames, meeting information, or authentication tokens that could aid the attacker in future attacks. 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-client-NBmqM9vt Conditions: At the time of publication, this vulnerability affected Cisco Webex Meetings Desktop App for Windows releases earlier than 40.4.12 and 40.6.0.
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