Advisories » MGASA-2020-0388

Updated tigervnc packages fix a security vulnerability

Publication date: 20 Oct 2020
Modification date: 20 Oct 2020
Type: security
Affected Mageia releases : 7
CVE: CVE-2020-26117

Description

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. (CVE-2020-26117)
                

References

• https://bugs.mageia.org/show_bug.cgi?id=27270
• https://github.com/TigerVNC/tigervnc/releases/tag/v1.11.0
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/XJC7PGEFEUUZTWSX7CGQG5YLB3NCQ6BO/
• https://www.debian.org/lts/security/2020/dla-2396
• https://lists.opensuse.org/opensuse-security-announce/2020-10/msg00025.html
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26117

SRPMS

7/core

• tigervnc-1.10.1-1.2.mga7