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Red Hat Enterprise Linux 8: RHSA-2019-3700-01 Low: OpenSSL Bug Fix

red hat
Calendar Grey November 5, 2019
Dist Redhat Esm H88
-----BEGIN PGP SIGNED MESSAGE-----Hash: SHA256 =====================================================
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

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux timing attack low severity enhancement openssl

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/

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

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

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

Topic

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.

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux timing attack low severity enhancement openssl

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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