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Red Hat Security Advisory
Synopsis: Moderate: gnutls security, bug fix, and enhancement update
Advisory ID: RHSA-2019:3600-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3600
Issue date: 2019-11-05
CVE Names: CVE-2019-3829 CVE-2019-3836
=====================================================================
1. Summary:
An update for gnutls is now available for Red Hat Enterprise Linux 8.
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 AppStream (v. 8) – aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) – aarch64, ppc64le, s390x, x86_64
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 (3.6.8). (BZ#1689967)
Security Fix(es):
* gnutls: use-after-free/double-free in certificate verification
(CVE-2019-3829)
* gnutls: invalid pointer access upon receiving async handshake messages
(CVE-2019-3836)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.1 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/):
1667427 – Multiple issues in implementation of record_size_limit extension (RFC 8449)
1673975 – gnutls does not support multiple KeyUpdate messages on a connection
1677048 – CVE-2019-3829 gnutls: use-after-free/double-free in certificate verification
1678411 – CVE-2019-3836 gnutls: invalid pointer access upon receiving async handshake messages
1680509 – Missing comparison with known good signature in RSA power on self test
1680510 – Missing power on self tests for SHA3
1684461 – Implement gnutls_aead_cipher_(en|de)crypt_vec() API in GnuTLS
1684534 – p11tool fails to list private keys with ‘pin-value’ specified in PKCS#11 URI
1686579 – GnuTLS server sends downgrade sentinel when negotiating TLS 1.3
1686582 – Incorrect handling of fragmented KeyUpdate messages
1690440 – selftest fails in FIPS mode
1691448 – TLS Keying Material Exporter is unsupported by command line tools
1705478 – gnutls fails with PKCS#11 URIs without module specification
1706921 – GnuTLS should implement continuous random test or use the kernel AF_ALG interface for random
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
gnutls-c++-3.6.8-8.el8.aarch64.rpm
gnutls-c++-debuginfo-3.6.8-8.el8.aarch64.rpm
gnutls-dane-3.6.8-8.el8.aarch64.rpm
gnutls-dane-debuginfo-3.6.8-8.el8.aarch64.rpm
gnutls-debuginfo-3.6.8-8.el8.aarch64.rpm
gnutls-debugsource-3.6.8-8.el8.aarch64.rpm
gnutls-devel-3.6.8-8.el8.aarch64.rpm
gnutls-utils-3.6.8-8.el8.aarch64.rpm
gnutls-utils-debuginfo-3.6.8-8.el8.aarch64.rpm
ppc64le:
gnutls-c++-3.6.8-8.el8.ppc64le.rpm
gnutls-c++-debuginfo-3.6.8-8.el8.ppc64le.rpm
gnutls-dane-3.6.8-8.el8.ppc64le.rpm
gnutls-dane-debuginfo-3.6.8-8.el8.ppc64le.rpm
gnutls-debuginfo-3.6.8-8.el8.ppc64le.rpm
gnutls-debugsource-3.6.8-8.el8.ppc64le.rpm
gnutls-devel-3.6.8-8.el8.ppc64le.rpm
gnutls-utils-3.6.8-8.el8.ppc64le.rpm
gnutls-utils-debuginfo-3.6.8-8.el8.ppc64le.rpm
s390x:
gnutls-c++-3.6.8-8.el8.s390x.rpm
gnutls-c++-debuginfo-3.6.8-8.el8.s390x.rpm
gnutls-dane-3.6.8-8.el8.s390x.rpm
gnutls-dane-debuginfo-3.6.8-8.el8.s390x.rpm
gnutls-debuginfo-3.6.8-8.el8.s390x.rpm
gnutls-debugsource-3.6.8-8.el8.s390x.rpm
gnutls-devel-3.6.8-8.el8.s390x.rpm
gnutls-utils-3.6.8-8.el8.s390x.rpm
gnutls-utils-debuginfo-3.6.8-8.el8.s390x.rpm
x86_64:
gnutls-c++-3.6.8-8.el8.i686.rpm
gnutls-c++-3.6.8-8.el8.x86_64.rpm
gnutls-c++-debuginfo-3.6.8-8.el8.i686.rpm
gnutls-c++-debuginfo-3.6.8-8.el8.x86_64.rpm
gnutls-dane-3.6.8-8.el8.i686.rpm
gnutls-dane-3.6.8-8.el8.x86_64.rpm
gnutls-dane-debuginfo-3.6.8-8.el8.i686.rpm
gnutls-dane-debuginfo-3.6.8-8.el8.x86_64.rpm
gnutls-debuginfo-3.6.8-8.el8.i686.rpm
gnutls-debuginfo-3.6.8-8.el8.x86_64.rpm
gnutls-debugsource-3.6.8-8.el8.i686.rpm
gnutls-debugsource-3.6.8-8.el8.x86_64.rpm
gnutls-devel-3.6.8-8.el8.i686.rpm
gnutls-devel-3.6.8-8.el8.x86_64.rpm
gnutls-utils-3.6.8-8.el8.x86_64.rpm
gnutls-utils-debuginfo-3.6.8-8.el8.i686.rpm
gnutls-utils-debuginfo-3.6.8-8.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
gnutls-3.6.8-8.el8.src.rpm
aarch64:
gnutls-3.6.8-8.el8.aarch64.rpm
gnutls-c++-debuginfo-3.6.8-8.el8.aarch64.rpm
gnutls-dane-debuginfo-3.6.8-8.el8.aarch64.rpm
gnutls-debuginfo-3.6.8-8.el8.aarch64.rpm
gnutls-debugsource-3.6.8-8.el8.aarch64.rpm
gnutls-utils-debuginfo-3.6.8-8.el8.aarch64.rpm
ppc64le:
gnutls-3.6.8-8.el8.ppc64le.rpm
gnutls-c++-debuginfo-3.6.8-8.el8.ppc64le.rpm
gnutls-dane-debuginfo-3.6.8-8.el8.ppc64le.rpm
gnutls-debuginfo-3.6.8-8.el8.ppc64le.rpm
gnutls-debugsource-3.6.8-8.el8.ppc64le.rpm
gnutls-utils-debuginfo-3.6.8-8.el8.ppc64le.rpm
s390x:
gnutls-3.6.8-8.el8.s390x.rpm
gnutls-c++-debuginfo-3.6.8-8.el8.s390x.rpm
gnutls-dane-debuginfo-3.6.8-8.el8.s390x.rpm
gnutls-debuginfo-3.6.8-8.el8.s390x.rpm
gnutls-debugsource-3.6.8-8.el8.s390x.rpm
gnutls-utils-debuginfo-3.6.8-8.el8.s390x.rpm
x86_64:
gnutls-3.6.8-8.el8.i686.rpm
gnutls-3.6.8-8.el8.x86_64.rpm
gnutls-c++-debuginfo-3.6.8-8.el8.i686.rpm
gnutls-c++-debuginfo-3.6.8-8.el8.x86_64.rpm
gnutls-dane-debuginfo-3.6.8-8.el8.i686.rpm
gnutls-dane-debuginfo-3.6.8-8.el8.x86_64.rpm
gnutls-debuginfo-3.6.8-8.el8.i686.rpm
gnutls-debuginfo-3.6.8-8.el8.x86_64.rpm
gnutls-debugsource-3.6.8-8.el8.i686.rpm
gnutls-debugsource-3.6.8-8.el8.x86_64.rpm
gnutls-utils-debuginfo-3.6.8-8.el8.i686.rpm
gnutls-utils-debuginfo-3.6.8-8.el8.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-2019-3829
https://access.redhat.com/security/cve/CVE-2019-3836
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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