RHEL 8 : openssl (RHSA-2020:1840)

medium Nessus Plugin ID 143010

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1840 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: side-channel weak encryption vulnerability (CVE-2019-1547)

* openssl: information disclosure in fork() (CVE-2019-1549)

* openssl: information disclosure in PKCS7_dataDecode and CMS_decrypt_set1_pkey (CVE-2019-1563)

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 8.2 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-2020:1840.

See Also

http://www.nessus.org/u?647c4eed

http://www.nessus.org/u?dd7b3f20

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

https://access.redhat.com/errata/RHSA-2020:1840

https://bugzilla.redhat.com/show_bug.cgi?id=1735738

https://bugzilla.redhat.com/show_bug.cgi?id=1741285

https://bugzilla.redhat.com/show_bug.cgi?id=1741317

https://bugzilla.redhat.com/show_bug.cgi?id=1741641

https://bugzilla.redhat.com/show_bug.cgi?id=1749068

https://bugzilla.redhat.com/show_bug.cgi?id=1749790

https://bugzilla.redhat.com/show_bug.cgi?id=1752090

https://bugzilla.redhat.com/show_bug.cgi?id=1752095

https://bugzilla.redhat.com/show_bug.cgi?id=1752100

https://bugzilla.redhat.com/show_bug.cgi?id=1758587

https://bugzilla.redhat.com/show_bug.cgi?id=1793984

Plugin Details

Severity: Medium

ID: 143010

File Name: redhat-RHSA-2020-1840.nasl

Version: 1.10

Type: local

Agent: unix

Published: 11/18/2020

Updated: 11/7/2024

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: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-1549

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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, 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: 4/28/2020

Vulnerability Publication Date: 7/30/2019

Reference Information

CVE: CVE-2019-1547, CVE-2019-1549, CVE-2019-1563

CWE: 200, 602

IAVA: 2019-A-0303-S

RHSA: 2020:1840