Alerts This Week
Warning Icon 1 692
Alerts This Week
Warning Icon 1 692

Red Hat Enterprise Linux 8.1 RHSA-2020-2638-01 Important: GnuTLS Update

red hat
Calendar Grey June 22, 2020
Dist Redhat Esm H88
Crucial GnuTLS security patch for Red Hat Enterprise Linux 8.1 rectifies session resumption vulnerability and includes comprehensive fix information.
An update for gnutls is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

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

Summary

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.

Topics%20covered

Topics Covered

security advisory red hat important man-in-the-middle gnutls linux enterprise session resumption

References

https://access.redhat.com/security/cve/CVE-2020-13777 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.1):
aarch64: gnutls-c++-3.6.8-9.el8_1.aarch64.rpm gnutls-c++-debuginfo-3.6.8-9.el8_1.aarch64.rpm gnutls-dane-3.6.8-9.el8_1.aarch64.rpm gnutls-dane-debuginfo-3.6.8-9.el8_1.aarch64.rpm gnutls-debuginfo-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.aarch64.rpm gnutls-utils-3.6.8-9.el8_1.aarch64.rpm gnutls-utils-debuginfo-3.6.8-9.el8_1.aarch64.rpm
ppc64le: gnutls-c++-3.6.8-9.el8_1.ppc64le.rpm gnutls-c++-debuginfo-3.6.8-9.el8_1.ppc64le.rpm gnutls-dane-3.6.8-9.el8_1.ppc64le.rpm gnutls-dane-debuginfo-3.6.8-9.el8_1.ppc64le.rpm gnutls-debuginfo-3.6.8-9.el8_1.ppc64le.rpm gnutls-debugsource-3.6.8-9.el8_1.ppc64le.rpm gnutls-devel-3.6.8-9.el8_1.ppc64le.rpm gnutls-utils-3.6.8-9.el8_1.ppc64le.rpm gnutls-utils-debuginfo-3.6.8-9.el8_1.ppc64le.rpm
s390x: gnutls-c++-3.6.8-9.el8_1.s390x.rpm gnutls-c++-debuginfo-3.6.8-9.el8_1.s390x.rpm gnutls-dane-3.6.8-9.el8_1.s390x.rpm gnutls-dane-debuginfo-3.6.8-9.el8_1.s390x.rpm gnutls-debuginfo-3.6.8-9.el8_1.s390x.rpm gnutls-debugsource-3.6.8-9.el8_1.s390x.rpm gnutls-devel-3.6.8-9.el8_1.s390x.rpm gnutls-utils-3.6.8-9.el8_1.s390x.rpm gnutls-utils-debuginfo-3.6.8-9.el8_1.s390x.rpm
x86_64: gnutls-c++-3.6.8-9.el8_1.i686.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2638-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2638
Issue date: 2020-06-22

Topic

An update for gnutls is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat important man-in-the-middle gnutls linux enterprise session resumption

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1843723 - CVE-2020-13777 gnutls: session resumption works without master key allowing MITM

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here