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Alma Linux: CVE-2020-26117: Moderate: tigervnc security, bug fix, and enhancement update (ALSA-2021-1783)

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Alma Linux: CVE-2020-26117: Moderate: tigervnc security, bug fix, and enhancement update (ALSA-2021-1783)

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
09/27/2020
Created
05/05/2022
Added
05/04/2022
Modified
05/04/2022

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)

  • alma-upgrade-tigervnc
  • alma-upgrade-tigervnc-icons
  • alma-upgrade-tigervnc-license
  • alma-upgrade-tigervnc-selinux
  • alma-upgrade-tigervnc-server
  • alma-upgrade-tigervnc-server-minimal
  • alma-upgrade-tigervnc-server-module

References

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