Zoom ZC <4.8.12 STUN Parse Bug: Mem Corruption & Code Exec
CVE-2022-28750 Published on August 11, 2022
Zoom On-Premise Deployments: Stack Buffer Overflow in Meeting Connector
Zoom On-Premise Meeting Connector Zone Controller (ZC) before version 4.8.20220419.112 fails to properly parse STUN error codes, which can result in memory corruption and could allow a malicious actor to crash the application. In versions older than 4.8.12.20211115, this vulnerability could also be leveraged to execute arbitrary code.
Vulnerability Analysis
CVE-2022-28750 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Stack Overflow Vulnerability?
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2022-28750 has been classified to as a Stack Overflow vulnerability or weakness.
Products Associated with CVE-2022-28750
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Affected Versions
Zoom Video Communications Inc Zoom On-Premise Meeting Connector Zone Controller (ZC):- Version unspecified and below 4.8.20220419.112 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.