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Red Hat Security Advisory 2018-3050-01

Red Hat Security Advisory 2018-3050-01
Posted Oct 30, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3050-01 - The gnutls packages provide the GNU Transport Layer Security library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Issues addressed include Lucky Thirteen and other attack mitigations.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2018-10844, CVE-2018-10845, CVE-2018-10846
MD5 | ab7c6b4a8a0c21485c0e7921408ece0e

Red Hat Security Advisory 2018-3050-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: gnutls security, bug fix, and enhancement update
Advisory ID: RHSA-2018:3050-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3050
Issue date: 2018-10-30
CVE Names: CVE-2018-10844 CVE-2018-10845 CVE-2018-10846
=====================================================================

1. Summary:

An update for gnutls is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x

3. Description:

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

The following packages have been upgraded to a later upstream version:
gnutls (3.3.29). (BZ#1561481)

Security Fix(es):

* gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not
enough dummy function calls (CVE-2018-10844)

* gnutls: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of
wrong constant (CVE-2018-10845)

* gnutls: "Just in Time" PRIME + PROBE cache-based side channel attack can
lead to plaintext recovery (CVE-2018-10846)

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

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.6 Release Notes linked from the References section.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1375307 - Deleting softhsm PKCS#11 objects does not work with p11tool --(so-)login
1434091 - Session renegotiation fails with client certificates
1444792 - Provide ability to set the expected server name in gnutls-serv utility [rhel-7]
1460125 - p11tool: cannot import private keys into Atos HSM
1464896 - p11tool cannot generate DSA keys
1561481 - Rebase gnutls to upstream version 3.3.29
1582571 - CVE-2018-10844 gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls
1582572 - CVE-2018-10845 gnutls: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant
1582574 - CVE-2018-10846 gnutls: "Just in Time" PRIME + PROBE cache-based side channel attack can lead to plaintext recovery

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
gnutls-3.3.29-8.el7.src.rpm

x86_64:
gnutls-3.3.29-8.el7.i686.rpm
gnutls-3.3.29-8.el7.x86_64.rpm
gnutls-dane-3.3.29-8.el7.i686.rpm
gnutls-dane-3.3.29-8.el7.x86_64.rpm
gnutls-debuginfo-3.3.29-8.el7.i686.rpm
gnutls-debuginfo-3.3.29-8.el7.x86_64.rpm
gnutls-utils-3.3.29-8.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
gnutls-c++-3.3.29-8.el7.i686.rpm
gnutls-c++-3.3.29-8.el7.x86_64.rpm
gnutls-debuginfo-3.3.29-8.el7.i686.rpm
gnutls-debuginfo-3.3.29-8.el7.x86_64.rpm
gnutls-devel-3.3.29-8.el7.i686.rpm
gnutls-devel-3.3.29-8.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
gnutls-3.3.29-8.el7.src.rpm

x86_64:
gnutls-3.3.29-8.el7.i686.rpm
gnutls-3.3.29-8.el7.x86_64.rpm
gnutls-dane-3.3.29-8.el7.i686.rpm
gnutls-dane-3.3.29-8.el7.x86_64.rpm
gnutls-debuginfo-3.3.29-8.el7.i686.rpm
gnutls-debuginfo-3.3.29-8.el7.x86_64.rpm
gnutls-utils-3.3.29-8.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
gnutls-c++-3.3.29-8.el7.i686.rpm
gnutls-c++-3.3.29-8.el7.x86_64.rpm
gnutls-debuginfo-3.3.29-8.el7.i686.rpm
gnutls-debuginfo-3.3.29-8.el7.x86_64.rpm
gnutls-devel-3.3.29-8.el7.i686.rpm
gnutls-devel-3.3.29-8.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
gnutls-3.3.29-8.el7.src.rpm

ppc64:
gnutls-3.3.29-8.el7.ppc.rpm
gnutls-3.3.29-8.el7.ppc64.rpm
gnutls-c++-3.3.29-8.el7.ppc.rpm
gnutls-c++-3.3.29-8.el7.ppc64.rpm
gnutls-dane-3.3.29-8.el7.ppc.rpm
gnutls-dane-3.3.29-8.el7.ppc64.rpm
gnutls-debuginfo-3.3.29-8.el7.ppc.rpm
gnutls-debuginfo-3.3.29-8.el7.ppc64.rpm
gnutls-devel-3.3.29-8.el7.ppc.rpm
gnutls-devel-3.3.29-8.el7.ppc64.rpm
gnutls-utils-3.3.29-8.el7.ppc64.rpm

ppc64le:
gnutls-3.3.29-8.el7.ppc64le.rpm
gnutls-c++-3.3.29-8.el7.ppc64le.rpm
gnutls-dane-3.3.29-8.el7.ppc64le.rpm
gnutls-debuginfo-3.3.29-8.el7.ppc64le.rpm
gnutls-devel-3.3.29-8.el7.ppc64le.rpm
gnutls-utils-3.3.29-8.el7.ppc64le.rpm

s390x:
gnutls-3.3.29-8.el7.s390.rpm
gnutls-3.3.29-8.el7.s390x.rpm
gnutls-c++-3.3.29-8.el7.s390.rpm
gnutls-c++-3.3.29-8.el7.s390x.rpm
gnutls-dane-3.3.29-8.el7.s390.rpm
gnutls-dane-3.3.29-8.el7.s390x.rpm
gnutls-debuginfo-3.3.29-8.el7.s390.rpm
gnutls-debuginfo-3.3.29-8.el7.s390x.rpm
gnutls-devel-3.3.29-8.el7.s390.rpm
gnutls-devel-3.3.29-8.el7.s390x.rpm
gnutls-utils-3.3.29-8.el7.s390x.rpm

x86_64:
gnutls-3.3.29-8.el7.i686.rpm
gnutls-3.3.29-8.el7.x86_64.rpm
gnutls-c++-3.3.29-8.el7.i686.rpm
gnutls-c++-3.3.29-8.el7.x86_64.rpm
gnutls-dane-3.3.29-8.el7.i686.rpm
gnutls-dane-3.3.29-8.el7.x86_64.rpm
gnutls-debuginfo-3.3.29-8.el7.i686.rpm
gnutls-debuginfo-3.3.29-8.el7.x86_64.rpm
gnutls-devel-3.3.29-8.el7.i686.rpm
gnutls-devel-3.3.29-8.el7.x86_64.rpm
gnutls-utils-3.3.29-8.el7.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
gnutls-3.3.29-8.el7.src.rpm

aarch64:
gnutls-3.3.29-8.el7.aarch64.rpm
gnutls-c++-3.3.29-8.el7.aarch64.rpm
gnutls-dane-3.3.29-8.el7.aarch64.rpm
gnutls-debuginfo-3.3.29-8.el7.aarch64.rpm
gnutls-devel-3.3.29-8.el7.aarch64.rpm
gnutls-utils-3.3.29-8.el7.aarch64.rpm

ppc64le:
gnutls-3.3.29-8.el7.ppc64le.rpm
gnutls-c++-3.3.29-8.el7.ppc64le.rpm
gnutls-dane-3.3.29-8.el7.ppc64le.rpm
gnutls-debuginfo-3.3.29-8.el7.ppc64le.rpm
gnutls-devel-3.3.29-8.el7.ppc64le.rpm
gnutls-utils-3.3.29-8.el7.ppc64le.rpm

s390x:
gnutls-3.3.29-8.el7.s390.rpm
gnutls-3.3.29-8.el7.s390x.rpm
gnutls-c++-3.3.29-8.el7.s390.rpm
gnutls-c++-3.3.29-8.el7.s390x.rpm
gnutls-dane-3.3.29-8.el7.s390.rpm
gnutls-dane-3.3.29-8.el7.s390x.rpm
gnutls-debuginfo-3.3.29-8.el7.s390.rpm
gnutls-debuginfo-3.3.29-8.el7.s390x.rpm
gnutls-devel-3.3.29-8.el7.s390.rpm
gnutls-devel-3.3.29-8.el7.s390x.rpm
gnutls-utils-3.3.29-8.el7.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
gnutls-3.3.29-8.el7.src.rpm

x86_64:
gnutls-3.3.29-8.el7.i686.rpm
gnutls-3.3.29-8.el7.x86_64.rpm
gnutls-c++-3.3.29-8.el7.i686.rpm
gnutls-c++-3.3.29-8.el7.x86_64.rpm
gnutls-dane-3.3.29-8.el7.i686.rpm
gnutls-dane-3.3.29-8.el7.x86_64.rpm
gnutls-debuginfo-3.3.29-8.el7.i686.rpm
gnutls-debuginfo-3.3.29-8.el7.x86_64.rpm
gnutls-devel-3.3.29-8.el7.i686.rpm
gnutls-devel-3.3.29-8.el7.x86_64.rpm
gnutls-utils-3.3.29-8.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-10844
https://access.redhat.com/security/cve/CVE-2018-10845
https://access.redhat.com/security/cve/CVE-2018-10846
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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