Zoom Client for Meetings for MacOS: Insufficient Verification of Data Authenticity
CVE-2022-28757 is a high-severity insufficient verification of data authenticity vulnerability in Zoom Client for Meetings for MacOS from Zoom Video Communications, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. The record lists version 5.11.6 as the first without the flaw, so updating Zoom Client for Meetings for MacOS to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.18% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Zoom Client for Meetings for MacOS to 5.11.6 or a later version.
- Update Meetings to 5.11.6 or a later version.
- Read the advisory on explore.zoom.us for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Zoom Video Communications | Zoom Client for Meetings for MacOS | next of 5.7.3; before 5.11.6 | 5.11.6 |
| Zoom | Meetings | 5.7.3 up to, but not including, 5.11.6 | 5.11.6 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 8.8 | High | CNA (zoom.us) |
| CVSS 3.1 | 7.8 | High | NVD |
Official description
The Zoom Client for Meetings for macOS (Standard and for IT Admin) starting with version 5.7.3 and before 5.11.6 contains a vulnerability in the auto update process. A local low-privileged user could exploit this vulnerability to escalate their privileges to root.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Insufficient Verification of Data Authenticity
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
More Insufficient Verification of Data Authenticity vulnerabilities (CWE-345)
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Zoom Client for Meetings for MacOS
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.5 High severity
- 9.1 Critical severity
- 8.1 High severity
Recent Insufficient Verification of Data Authenticity vulnerabilities
- 7.8 High severity
- 9.8 Critical severity
- 7.5 High severity
- 9.8 Critical severity
- 7.2 High severity
- 8.8 High severity
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