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Rocky Linux 8 : pcre2 (RLSA-2020:4539)

high Nessus Plugin ID 185040

Synopsis

The remote Rocky Linux host is missing a security update.

Description

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2020:4539 advisory.

 - An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c. (CVE-2019-20454)

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

Solution

Update the affected packages.

See Also

https://errata.rockylinux.org/RLSA-2020:4539

https://bugzilla.redhat.com/show_bug.cgi?id=1735494

https://bugzilla.redhat.com/show_bug.cgi?id=1822698

Plugin Details

Severity: High

ID: 185040

File Name: rocky_linux_RLSA-2020-4539.nasl

Version: 1.2

Type: local

Published: 11/7/2023

Updated: 12/22/2023

Supported Sensors: Continuous Assessment, 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:rocky:linux:pcre2-utf32, p-cpe:/a:rocky:linux:pcre2-tools, p-cpe:/a:rocky:linux:pcre2-utf32-debuginfo, p-cpe:/a:rocky:linux:pcre2-debugsource, p-cpe:/a:rocky:linux:pcre2, p-cpe:/a:rocky:linux:pcre2-utf16, p-cpe:/a:rocky:linux:pcre2-utf16-debuginfo, p-cpe:/a:rocky:linux:pcre2-debuginfo, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:pcre2-devel, p-cpe:/a:rocky:linux:pcre2-tools-debuginfo

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/3/2020

Vulnerability Publication Date: 2/14/2020

Reference Information

CVE: CVE-2019-20454