Issued:
2020-06-22
Updated:
2020-06-22

RHSA-2020:2638 - Important: gnutls security update

Synopsis

Important: gnutls security update

Type/Severity

Security Advisory Important

Topic

An update for gnutls is now available for Red Hat Enterprise Linux 8.1 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS.

Security Fix(es):

  • gnutls: session resumption works without master key allowing MITM (CVE-2020-13777)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions8.1x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support8.1x86_64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support8.1ppc64le
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support8.1s390x
Red Hat Enterprise Linux for ARM 64 - Extended Update Support8.1aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions8.1ppc64le

Updated Packages

  • gnutls-utils-3.6.8-9.el8_1.s390x.rpm
  • gnutls-debuginfo-3.6.8-9.el8_1.i686.rpm
  • gnutls-utils-debuginfo-3.6.8-9.el8_1.aarch64.rpm
  • gnutls-debugsource-3.6.8-9.el8_1.x86_64.rpm
  • gnutls-c++-3.6.8-9.el8_1.aarch64.rpm
  • gnutls-dane-debuginfo-3.6.8-9.el8_1.i686.rpm
  • gnutls-dane-3.6.8-9.el8_1.x86_64.rpm
  • gnutls-utils-debuginfo-3.6.8-9.el8_1.ppc64le.rpm
  • gnutls-c++-debuginfo-3.6.8-9.el8_1.aarch64.rpm
  • gnutls-3.6.8-9.el8_1.x86_64.rpm
  • gnutls-c++-debuginfo-3.6.8-9.el8_1.i686.rpm
  • gnutls-debugsource-3.6.8-9.el8_1.i686.rpm
  • gnutls-dane-3.6.8-9.el8_1.i686.rpm
  • gnutls-debuginfo-3.6.8-9.el8_1.x86_64.rpm
  • gnutls-3.6.8-9.el8_1.i686.rpm
  • gnutls-debuginfo-3.6.8-9.el8_1.aarch64.rpm
  • gnutls-dane-3.6.8-9.el8_1.s390x.rpm
  • gnutls-debugsource-3.6.8-9.el8_1.ppc64le.rpm
  • gnutls-devel-3.6.8-9.el8_1.x86_64.rpm
  • gnutls-dane-debuginfo-3.6.8-9.el8_1.s390x.rpm
  • gnutls-dane-debuginfo-3.6.8-9.el8_1.aarch64.rpm
  • gnutls-c++-3.6.8-9.el8_1.x86_64.rpm
  • gnutls-c++-debuginfo-3.6.8-9.el8_1.ppc64le.rpm
  • gnutls-c++-debuginfo-3.6.8-9.el8_1.s390x.rpm
  • gnutls-dane-3.6.8-9.el8_1.ppc64le.rpm
  • gnutls-3.6.8-9.el8_1.src.rpm
  • gnutls-c++-3.6.8-9.el8_1.ppc64le.rpm
  • gnutls-3.6.8-9.el8_1.ppc64le.rpm
  • gnutls-3.6.8-9.el8_1.aarch64.rpm
  • gnutls-debuginfo-3.6.8-9.el8_1.ppc64le.rpm
  • gnutls-utils-3.6.8-9.el8_1.aarch64.rpm
  • gnutls-devel-3.6.8-9.el8_1.aarch64.rpm
  • gnutls-utils-3.6.8-9.el8_1.ppc64le.rpm
  • gnutls-c++-3.6.8-9.el8_1.s390x.rpm
  • gnutls-debuginfo-3.6.8-9.el8_1.s390x.rpm
  • gnutls-c++-debuginfo-3.6.8-9.el8_1.x86_64.rpm
  • gnutls-debugsource-3.6.8-9.el8_1.s390x.rpm
  • gnutls-3.6.8-9.el8_1.s390x.rpm
  • gnutls-dane-debuginfo-3.6.8-9.el8_1.x86_64.rpm
  • gnutls-utils-3.6.8-9.el8_1.x86_64.rpm
  • gnutls-utils-debuginfo-3.6.8-9.el8_1.i686.rpm
  • gnutls-utils-debuginfo-3.6.8-9.el8_1.x86_64.rpm
  • gnutls-dane-3.6.8-9.el8_1.aarch64.rpm
  • gnutls-debugsource-3.6.8-9.el8_1.aarch64.rpm
  • gnutls-devel-3.6.8-9.el8_1.ppc64le.rpm
  • gnutls-devel-3.6.8-9.el8_1.i686.rpm
  • gnutls-devel-3.6.8-9.el8_1.s390x.rpm
  • gnutls-utils-debuginfo-3.6.8-9.el8_1.s390x.rpm
  • gnutls-dane-debuginfo-3.6.8-9.el8_1.ppc64le.rpm
  • gnutls-c++-3.6.8-9.el8_1.i686.rpm

Fixes

CVEs

References

Additional information