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Red Hat: RHSA-2019-2304-01 Moderate: OpenSSL Security Update

red hat
Calendar Grey August 6, 2019
Dist Redhat Esm H88
Enhance OpenSSL on Red Hat Enterprise Linux 7 to mitigate moderate security vulnerabilities and rectify errors. Safeguard your system immediately.
An update for openssl is now available for Red Hat Enterprise Linux 7

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.
Security Fix(es):
* openssl: 0-byte record padding oracle (CVE-2019-1559)
* openssl: timing side channel attack in the DSA signature algorithm (CVE-2018-0734)
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 7.7 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory security issue Red Hat update bug fix moderate impact openssl

References

https://access.redhat.com/security/cve/CVE-2018-0734 https://access.redhat.com/security/cve/CVE-2019-1559 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: openssl-1.0.2k-19.el7.src.rpm
x86_64: openssl-1.0.2k-19.el7.x86_64.rpm openssl-debuginfo-1.0.2k-19.el7.i686.rpm openssl-debuginfo-1.0.2k-19.el7.x86_64.rpm openssl-libs-1.0.2k-19.el7.i686.rpm openssl-libs-1.0.2k-19.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: openssl-debuginfo-1.0.2k-19.el7.i686.rpm openssl-debuginfo-1.0.2k-19.el7.x86_64.rpm openssl-devel-1.0.2k-19.el7.i686.rpm openssl-devel-1.0.2k-19.el7.x86_64.rpm openssl-perl-1.0.2k-19.el7.x86_64.rpm openssl-static-1.0.2k-19.el7.i686.rpm openssl-static-1.0.2k-19.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: openssl-1.0.2k-19.el7.src.rpm
x86_64: openssl-1.0.2k-19.el7.x86_64.rpm openssl-debuginfo-1.0.2k-19.el7.i686.rpm openssl-debuginfo-1.0.2k-19.el7.x86_64.rpm openssl-libs-1.0.2k-19.el7.i686.rpm openssl-libs-1.0.2k-19.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: openssl-debuginfo-1.0.2k-19.el7.i686.rpm openssl-debuginfo-1.0.2k-19.el7.x86_64.rpm openssl-devel-1.0.2k-19.el7.i686.rpm openssl-devel-1.0.2k-19.el7.x86_64.rpm openssl-perl-1.0.2k-19.el7.x86_64.rpm openssl-static-1.0.2k-19.el7.i686.rpm openssl-static-1.0.2k-19.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:2304-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2304
Issue date: 2019-08-06

Topic

An update for openssl is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue Red Hat update bug fix moderate impact openssl

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 Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1644364 - CVE-2018-0734 openssl: timing side channel attack in the DSA signature algorithm

1649568 - openssl: microarchitectural and timing side channel padding oracle attack against RSA

1683804 - CVE-2019-1559 openssl: 0-byte record padding oracle

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