In rfb/CSecurityTLS.cxx and rfb/CSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate exceptions. They store the certificates as authorities, meaning that the owner of a certificate could impersonate any server after a client had added an exception.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-09-27T03:30:25

Updated: 2024-08-04T15:49:07.161Z

Reserved: 2020-09-27T00:00:00

Link: CVE-2020-26117

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2020-09-27T04:15:11.650

Modified: 2022-11-16T14:13:22.957

Link: CVE-2020-26117

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-09-18T00:00:00Z

Links: CVE-2020-26117 - Bugzilla