VULNERABILITY

SUSE: CVE-2020-26117: SUSE Linux Security Advisory

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SUSE: CVE-2020-26117: SUSE Linux Security Advisory

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
09/27/2020
Created
02/09/2021
Added
02/07/2021
Modified
10/22/2021

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.

Solution(s)

  • suse-upgrade-libxvnc-devel
  • suse-upgrade-libxvnc1
  • suse-upgrade-tigervnc
  • suse-upgrade-tigervnc-x11vnc
  • suse-upgrade-xorg-x11-xvnc
  • suse-upgrade-xorg-x11-xvnc-java
  • suse-upgrade-xorg-x11-xvnc-module
  • suse-upgrade-xorg-x11-xvnc-novnc

References

  • SUSE-SU-2020:2880-1
  • SUSE-SU-2020:2881-1
  • SUSE-SU-2020:2882-1
  • SUSE-SU-2020:2898-1
  • CVE-2020-26117

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