CVE-2021-34418
Pre-auth Null pointer crash in on-premise web console
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 4.6.239.20200613, 3.8.42.20200905, 4.4.6344.20200612, 2.5.5492.20200616
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Zoom Video Communications Inc Zoom On-Premise Meeting Connector
fixed in 4.6.239.20200613
- Zoom Video Communications Inc Zoom On-Premise Meeting Connector MMR
fixed in 4.6.239.20200613
- Zoom Video Communications Inc Zoom On-Premise Recording Connector
fixed in 3.8.42.20200905
- Zoom Video Communications Inc Zoom On-Premise Virtual Room Connector
fixed in 4.4.6344.20200612
- Zoom Video Communications Inc Zoom On-Premise Virtual Room Connector Load Balancer
fixed in 2.5.5492.20200616