Oracle Linux 7 : openssl (ELSA-2019-0483)

medium Nessus Plugin ID 122838
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

From Red Hat Security Advisory 2019:0483 :

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 impact of Moderate. 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.

Security Fix(es) :

* openssl: Side-channel vulnerability on SMT/Hyper-Threading architectures (PortSmash) (CVE-2018-5407)

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.

Bug Fix(es) :

* Perform the RSA signature self-tests with SHA-256 (BZ#1673914)

Solution

Update the affected openssl packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2019-March/008531.html

Plugin Details

Severity: Medium

ID: 122838

File Name: oraclelinux_ELSA-2019-0483.nasl

Version: 1.3

Type: local

Agent: unix

Published: 3/14/2019

Updated: 9/27/2019

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.5

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

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

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.2

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:openssl, p-cpe:/a:oracle:linux:openssl-devel, p-cpe:/a:oracle:linux:openssl-libs, p-cpe:/a:oracle:linux:openssl-perl, p-cpe:/a:oracle:linux:openssl-static, cpe:/o:oracle:linux:7

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/13/2019

Vulnerability Publication Date: 11/15/2018

Reference Information

CVE: CVE-2018-5407

RHSA: 2019:0483