Meetings
CVE-2023-39204
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.
AnalysisAI
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access. Affected products include: Zoom Meetings, Zoom Rooms, Zoom Video Software Development Kit, Zoom Virtual Desktop Infrastructure, Zoom.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.
Zoom Client for Meetings through 4.6.8 on macOS copies runwithroot to a user-writable temporary directory during install
airhost.exe in Zoom Client for Meetings 4.6.11 uses 3423423432325249 as the Initialization Vector (IV) for AES-256 CBC e
airhost.exe in Zoom Client for Meetings 4.6.11 uses the SHA-256 hash of 0123425234234fsdfsdr3242 for initialization of a
Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Rated high severity (CVS
A buffer overflow vulnerability was discovered in Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows)
The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate informa
The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.12.2 is susceptible to a URL
The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly cons
Improper authorization in some Zoom clients may allow an authorized user to conduct an escalation of privilege via netwo
The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before ver
The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly pars
Zoom Client for IT Admin macOS installers before version 5.13.5 contain a local privilege escalation vulnerability. Rate
Same weakness CWE-120 – Classic Buffer Overflow
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today