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Red Hat Security Advisory 2019-3700-01

Red Hat Security Advisory 2019-3700-01
Posted Nov 6, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3700-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library. Side channel attack flaws were addressed.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2018-0734, CVE-2018-0735, CVE-2019-1543
MD5 | 67c7a5e92cf60ac670ea2836fc4aa9ad

Red Hat Security Advisory 2019-3700-01

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

Synopsis: Low: openssl security, bug fix, and enhancement update
Advisory ID: RHSA-2019:3700-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3700
Issue date: 2019-11-05
CVE Names: CVE-2018-0734 CVE-2018-0735 CVE-2019-1543
=====================================================================

1. Summary:

An update for openssl is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Low. 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 BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and
Transport Layer Security (TLS) protocols, as well as a full-strength
general-purpose cryptography library.

The following packages have been upgraded to a later upstream version:
openssl (1.1.1c). (BZ#1643026)

Security Fix(es):

* openssl: timing side channel attack in the DSA signature algorithm
(CVE-2018-0734)

* openssl: timing side channel attack in the ECDSA signature generation
(CVE-2018-0735)

* openssl: ChaCha20-Poly1305 with long nonces (CVE-2019-1543)

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

For the update to take effect, all services linked to the OpenSSL library
must be restarted, or the system rebooted.

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

1644356 - CVE-2018-0735 openssl: timing side channel attack in the ECDSA signature generation
1644364 - CVE-2018-0734 openssl: timing side channel attack in the DSA signature algorithm
1668880 - ec man page lists -modulus but the tool doesn't support it
1686058 - specifying digest for signing time-stamping responses is mandatory
1686548 - Incorrect handling of fragmented KeyUpdate messages
1695954 - CVE-2019-1543 openssl: ChaCha20-Poly1305 with long nonces
1697915 - Race/segmentation fault on process shutdown in OpenSSL
1706104 - openssl asn1parse crashes with double free or corruption (!prev)
1706915 - OpenSSL should implement continuous random test or use the kernel AF_ALG interface for random
1712023 - openssl pkcs12 uses certpbe algorithm not compliant with FIPS by default
1714245 - DSA ciphers in TLS don't work with SHA-1 signatures even in LEGACY level

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
openssl-1.1.1c-2.el8.src.rpm

aarch64:
openssl-1.1.1c-2.el8.aarch64.rpm
openssl-debuginfo-1.1.1c-2.el8.aarch64.rpm
openssl-debugsource-1.1.1c-2.el8.aarch64.rpm
openssl-devel-1.1.1c-2.el8.aarch64.rpm
openssl-libs-1.1.1c-2.el8.aarch64.rpm
openssl-libs-debuginfo-1.1.1c-2.el8.aarch64.rpm
openssl-perl-1.1.1c-2.el8.aarch64.rpm

ppc64le:
openssl-1.1.1c-2.el8.ppc64le.rpm
openssl-debuginfo-1.1.1c-2.el8.ppc64le.rpm
openssl-debugsource-1.1.1c-2.el8.ppc64le.rpm
openssl-devel-1.1.1c-2.el8.ppc64le.rpm
openssl-libs-1.1.1c-2.el8.ppc64le.rpm
openssl-libs-debuginfo-1.1.1c-2.el8.ppc64le.rpm
openssl-perl-1.1.1c-2.el8.ppc64le.rpm

s390x:
openssl-1.1.1c-2.el8.s390x.rpm
openssl-debuginfo-1.1.1c-2.el8.s390x.rpm
openssl-debugsource-1.1.1c-2.el8.s390x.rpm
openssl-devel-1.1.1c-2.el8.s390x.rpm
openssl-libs-1.1.1c-2.el8.s390x.rpm
openssl-libs-debuginfo-1.1.1c-2.el8.s390x.rpm
openssl-perl-1.1.1c-2.el8.s390x.rpm

x86_64:
openssl-1.1.1c-2.el8.x86_64.rpm
openssl-debuginfo-1.1.1c-2.el8.i686.rpm
openssl-debuginfo-1.1.1c-2.el8.x86_64.rpm
openssl-debugsource-1.1.1c-2.el8.i686.rpm
openssl-debugsource-1.1.1c-2.el8.x86_64.rpm
openssl-devel-1.1.1c-2.el8.i686.rpm
openssl-devel-1.1.1c-2.el8.x86_64.rpm
openssl-libs-1.1.1c-2.el8.i686.rpm
openssl-libs-1.1.1c-2.el8.x86_64.rpm
openssl-libs-debuginfo-1.1.1c-2.el8.i686.rpm
openssl-libs-debuginfo-1.1.1c-2.el8.x86_64.rpm
openssl-perl-1.1.1c-2.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-2018-0734
https://access.redhat.com/security/cve/CVE-2018-0735
https://access.redhat.com/security/cve/CVE-2019-1543
https://access.redhat.com/security/updates/classification/#low
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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