CVE-2021-34418

Pre-auth Null pointer crash in on-premise web console

State: Published
Severity: 4.0 Medium
Published: Nov 11, 2021
Updated: Sep 16, 2024
Reserved: Jun 9, 2021

Description

The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service.

Scores

CVSS	Score	Vector	Source
3.1	4.0 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	Zoom

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
Zoom On-Premise Meeting ConnectorZoom Video Communications Inc	before 4.6.239.20200613Affected
Zoom On-Premise Meeting Connector MMRZoom Video Communications Inc	before 4.6.239.20200613Affected
Zoom On-Premise Recording ConnectorZoom Video Communications Inc	before 3.8.42.20200905Affected
Zoom On-Premise Virtual Room ConnectorZoom Video Communications Inc	before 4.4.6344.20200612Affected
Zoom On-Premise Virtual Room Connector Load BalancerZoom Video Communications Inc	before 2.5.5492.20200616Affected

References

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

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