Moderate CentOS gnutls Security Update

Metadata

medium
4.3
gnutls-2.8.5-19.el6_7.i686.rpm, gnutls-2.8.5-19.el6_7.src.rpm, gnutls-2.8.5-19.el6_7.x86_64.rpm, gnutls-3.3.8-14.el7_2.i686.rpm, gnutls-3.3.8-14.el7_2.src.rpm, gnutls-3.3.8-14.el7_2.x86_64.rpm, gnutls-c++-3.3.8-14.el7_2.i686.rpm, gnutls-c++-3.3.8-14.el7_2.x86_64.rpm, gnutls-dane-3.3.8-14.el7_2.i686.rpm, gnutls-dane-3.3.8-14.el7_2.x86_64.rpm, gnutls-devel-2.8.5-19.el6_7.i686.rpm, gnutls-devel-2.8.5-19.el6_7.x86_64.rpm, gnutls-devel-3.3.8-14.el7_2.i686.rpm, gnutls-devel-3.3.8-14.el7_2.x86_64.rpm, gnutls-guile-2.8.5-19.el6_7.i686.rpm, gnutls-guile-2.8.5-19.el6_7.x86_64.rpm, gnutls-utils-2.8.5-19.el6_7.i686.rpm, gnutls-utils-2.8.5-19.el6_7.x86_64.rpm, gnutls-utils-3.3.8-14.el7_2.x86_64.rpm
CVE-2015-7575
rhn.redhat.com, lists.centos.org, lists.centos.org
2016-01-07
2017-07-27 19:10
ALAS-2016-643
ALAS-2016-645
ALAS-2016-661
ALAS-2016-647
ALAS-2016-651
Moderate CentOS openssl Security Update
Important CentOS java-1.7.0-openjdk Security Update
Moderate CentOS nss Security Update
Critical CentOS java-1.8.0-openjdk Security Update
Important CentOS java-1.8.0-openjdk Security Update
Critical CentOS java-1.7.0-openjdk Security Update
CVE-2015-7575 iceweasel
CVE-2015-7575 openjdk-8
CVE-2015-7575 openssl
CVE-2015-7575 openjdk-6
CVE-2015-7575 gnutls26
CVE-2015-7575 nss
CVE-2015-7575 icedove
CVE-2015-7575 openjdk-7
CVE-2015-7575 gnutls28
CVE-2015-7575
2017-04-01 19:09
2017-01-05 20:13

Description


Updated gnutls packages that fix one security issue are now available for
Red Hat Enterprise Linux 6 and 7.

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

The GnuTLS library provides support for cryptographic algorithms and for
protocols such as Transport Layer Security (TLS).

A flaw was found in the way TLS 1.2 could use the MD5 hash function for
signing ServerKeyExchange and Client Authentication packets during a TLS
handshake. A man-in-the-middle attacker able to force a TLS connection to
use the MD5 hash function could use this flaw to conduct collision attacks
to impersonate a TLS server or an authenticated TLS client. (CVE-2015-7575)

All gnutls users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. For the update to take
effect, all applications linked to the GnuTLS library must be restarted.
Please see https://www.redhat.com/footer/terms-of-use.html

Am I vulnerable?

The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.

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Affected package information

Release Package Patched in
6 gnutls gnutls-2.8.5-19.el6_7.x86_64.rpm
gnutls gnutls-2.8.5-19.el6_7.src.rpm
gnutls gnutls-2.8.5-19.el6_7.i686.rpm
gnutls-devel gnutls-devel-2.8.5-19.el6_7.i686.rpm
gnutls-devel gnutls-devel-2.8.5-19.el6_7.x86_64.rpm
gnutls-guile gnutls-guile-2.8.5-19.el6_7.i686.rpm
gnutls-guile gnutls-guile-2.8.5-19.el6_7.x86_64.rpm
gnutls-utils gnutls-utils-2.8.5-19.el6_7.i686.rpm
gnutls-utils gnutls-utils-2.8.5-19.el6_7.x86_64.rpm
7 gnutls gnutls-3.3.8-14.el7_2.x86_64.rpm
gnutls gnutls-3.3.8-14.el7_2.src.rpm
gnutls gnutls-3.3.8-14.el7_2.i686.rpm
gnutls-c++ gnutls-c++-3.3.8-14.el7_2.i686.rpm
gnutls-c++ gnutls-c++-3.3.8-14.el7_2.x86_64.rpm
gnutls-dane gnutls-dane-3.3.8-14.el7_2.x86_64.rpm
gnutls-dane gnutls-dane-3.3.8-14.el7_2.i686.rpm
gnutls-devel gnutls-devel-3.3.8-14.el7_2.x86_64.rpm
gnutls-devel gnutls-devel-3.3.8-14.el7_2.i686.rpm
gnutls-utils gnutls-utils-3.3.8-14.el7_2.x86_64.rpm