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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
A recent patch for OpenSSL on Red Hat 8 resolves minor security vulnerabilities and includes critical improvements along with various bug corrections.
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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