RHEL 8 : openssl (RHSA-2019:3700)

high Nessus Plugin ID 130567

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

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.

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.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?774148ae

https://access.redhat.com/errata/RHSA-2019:3700

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

Plugin Details

Severity: High

ID: 130567

File Name: redhat-RHSA-2019-3700.nasl

Version: 1.2

Type: local

Agent: unix

Published: 11/6/2019

Updated: 12/17/2019

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:openssl, p-cpe:/a:redhat:enterprise_linux:openssl-debuginfo, p-cpe:/a:redhat:enterprise_linux:openssl-debugsource, p-cpe:/a:redhat:enterprise_linux:openssl-devel, p-cpe:/a:redhat:enterprise_linux:openssl-libs, p-cpe:/a:redhat:enterprise_linux:openssl-libs-debuginfo, p-cpe:/a:redhat:enterprise_linux:openssl-perl, cpe:/o:redhat:enterprise_linux:8

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/5/2019

Vulnerability Publication Date: 10/29/2018

Reference Information

CVE: CVE-2018-0734, CVE-2018-0735, CVE-2019-1543

RHSA: 2019:3700