RHSA-2020:2639HighCVSS 7.4

Red Hat Security Advisory: gnutls security update

Published
June 22, 2020
Last Modified
October 14, 2026

🔗 CVE IDs covered (1)

CVE-2020-13777 →

📋 Description

CVE-2020-13777 — gnutls: session resumption works without master key allowing MITM

🎯 Affected products47

  • Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-0:3.6.5-3.el8_0.i686 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-0:3.6.5-3.el8_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-0:3.6.5-3.el8_0.src as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-0:3.6.5-3.el8_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-c++-0:3.6.5-3.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-c++-0:3.6.5-3.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-c++-0:3.6.5-3.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-c++-debuginfo-0:3.6.5-3.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-c++-debuginfo-0:3.6.5-3.el8_0.i686 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-c++-debuginfo-0:3.6.5-3.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-c++-debuginfo-0:3.6.5-3.el8_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-c++-debuginfo-0:3.6.5-3.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-c++-debuginfo-0:3.6.5-3.el8_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-dane-0:3.6.5-3.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-dane-0:3.6.5-3.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-dane-0:3.6.5-3.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-dane-debuginfo-0:3.6.5-3.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-dane-debuginfo-0:3.6.5-3.el8_0.i686 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-dane-debuginfo-0:3.6.5-3.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-dane-debuginfo-0:3.6.5-3.el8_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-dane-debuginfo-0:3.6.5-3.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-dane-debuginfo-0:3.6.5-3.el8_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-debuginfo-0:3.6.5-3.el8_0.i686 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-debuginfo-0:3.6.5-3.el8_0.i686 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-debuginfo-0:3.6.5-3.el8_0.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-debuginfo-0:3.6.5-3.el8_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • gnutls-debuginfo-0:3.6.5-3.el8_0.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.0)
  • gnutls-debuginfo-0:3.6.5-3.el8_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • +17 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: There's no available mitigation for this issue.

🔗 References (4)