Pierluigi Paganini
October 18, 2022
Zoom Client for Meetings for macOS (Standard and for IT Admin) is affected by a debugging port misconfiguration. The issue, tracked as CVE-2022-28762, received a CVSS severity score of 7.3. When the camera mode rendering context is enabled as part of the Zoom App Layers API by running specific Zoom Apps, a local debugging port is opened by the client. A local malicious user can exploit the debugging port to connect to and control the Apps running in the Zoom client.
Impacted versions range between 5.10.6 and 5.12.0 (excluded).
“Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with 5.10.6 and prior to 5.12.0 contains a debugging port misconfiguration. When camera mode rendering context is enabled as part of the Zoom App Layers API by running certain Zoom Apps, a local debugging port is opened by the Zoom client.” reads the advisory published by the company. “A local malicious user could use this debugging port to connect to and control the Zoom Apps running in the Zoom client.”
The vulnerability was discovered by the company’s internal security team as part of a routine assessment.
The company also addressed a medium-severity issue, tracked as CVE-2022-28761 (CVSS score 6.5), that impacts the Zoom On-Premise Meeting Connector Multimedia Router (MMR).
“Zoom On-Premise Meeting Connector MMR before version 4.8.20220916.131 contains an improper access control vulnerability. As a result, a malicious actor in a meeting or webinar they are authorized to join could prevent participants from receiving audio and video causing meeting disruptions.” reads the advisory.
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(SecurityAffairs – hacking, CVE-2022-28762)
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