Server Side Request Forgery in Zoom Client for Meetings chat
CVE-2021-34425

4.7MEDIUM

Key Information:

Vendor: Zoom
Status: Zoom Client For Meetings For Android; Zoom Client For Meetings For iOS; Zoom Client For Meetings For Linux; Zoom Client For Meetings For Mac OS
Vendor: CVE Published:; 14 December 2021

Summary

The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat's "link preview" functionality. In versions prior to 5.7.3, if a user were to enable the chat's "link preview" feature, a malicious actor could trick the user into potentially sending arbitrary HTTP GET requests to URLs that the actor cannot reach directly.

Affected Version(s)

Zoom Client for Meetings for Android < 5.7.3

Zoom Client for Meetings for iOS < 5.7.3

Zoom Client for Meetings for Linux < 5.7.3

References

https://explore.zoom.us/en/trust/security/security-bulletin

x_refsource_MISC

CVSS V3.1

Score:

4.7

Severity:

MEDIUM

Confidentiality:

Low

Integrity:

Low

Availability:

Low

Attack Vector:

Network

Attack Complexity:

High

Privileges Required:

None

User Interaction:

Required

Scope:

Changed

Timeline

Vulnerability published
Dec 14, 2021
Vulnerability Reserved
Jun 9, 2021

Credit

Johnny Yu of Walmart Global Tech