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GLSA-202006-16 : PCRE2: Denial of service

high Nessus Plugin ID 137453

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202006-16 (PCRE2: Denial of service)

 PCRE2 has a flaw when handling JIT-compiled regex using the \\X pattern.
 Impact :

 An attacker could cause a possible Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All PCRE2 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-libs/pcre2-10.34'

See Also

https://security.gentoo.org/glsa/202006-16

Plugin Details

Severity: High

ID: 137453

File Name: gentoo_GLSA-202006-16.nasl

Version: 1.3

Type: local

Published: 6/17/2020

Updated: 3/7/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2019-20454

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:pcre2, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/15/2020

Vulnerability Publication Date: 2/14/2020

Reference Information

CVE: CVE-2019-20454

GLSA: 202006-16