RHEL 8 : pcre (RHSA-2021:4373)

high Nessus Plugin ID 155093

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Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4373 advisory.

PCRE is a Perl-compatible regular expression library.

Security Fix(es):

* pcre: Buffer over-read in JIT when UTF is disabled and \X or \R has fixed quantifier greater than 1 (CVE-2019-20838)

* pcre: Integer overflow when parsing callout numeric arguments (CVE-2020-14155)

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 8.5 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 pcre package based on the guidance in RHSA-2021:4373.

Plugin Details

Severity: High

ID: 155093

File Name: redhat-RHSA-2021-4373.nasl

Version: 1.11

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/11/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-14155

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS Score Source: CVE-2019-20838

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:pcre, p-cpe:/a:redhat:enterprise_linux:pcre-utf32, p-cpe:/a:redhat:enterprise_linux:pcre-static, p-cpe:/a:redhat:enterprise_linux:pcre-devel, p-cpe:/a:redhat:enterprise_linux:pcre-cpp, p-cpe:/a:redhat:enterprise_linux:pcre-utf16, cpe:/o:redhat:enterprise_linux:8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 6/15/2020

Reference Information

CVE: CVE-2019-20838, CVE-2020-14155

CWE: 125, 190

RHSA: 2021:4373

Detections

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