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RHEL 7 : openssl (RHSA-2019:2304)

medium Nessus Plugin ID 127710

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Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:2304 advisory.

 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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL openssl package based on the guidance in RHSA-2019:2304.

See Also

http://www.nessus.org/u?b11bfe35

http://www.nessus.org/u?cc7115e8

https://access.redhat.com/errata/RHSA-2019:2304

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=1644364

https://bugzilla.redhat.com/show_bug.cgi?id=1649568

https://bugzilla.redhat.com/show_bug.cgi?id=1683804

Plugin Details

Severity: Medium

ID: 127710

File Name: redhat-RHSA-2019-2304.nasl

Version: 1.9

Type: local

Agent: unix

Published: 8/12/2019

Updated: 11/6/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2019-1559

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:openssl-devel, p-cpe:/a:redhat:enterprise_linux:openssl-libs, p-cpe:/a:redhat:enterprise_linux:openssl-static, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:openssl, p-cpe:/a:redhat:enterprise_linux:openssl-perl

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: 8/6/2019

Vulnerability Publication Date: 10/30/2018

Reference Information

CVE: CVE-2018-0734, CVE-2019-1559

CWE: 325, 385

RHSA: 2019:2304