RHEL 7 : perl (RHSA-2021:1032)

high Nessus Plugin ID 148889

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1032 advisory.

- perl: heap-based buffer overflow in regular expression compiler leads to DoS (CVE-2020-10543)

- perl: corruption of intermediate language state of compiled regular expression due to integer overflow leads to DoS (CVE-2020-10878)

- perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS (CVE-2020-12723)

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 affected packages.

See Also

https://access.redhat.com/security/cve/CVE-2020-10543

https://access.redhat.com/security/cve/CVE-2020-10878

https://access.redhat.com/security/cve/CVE-2020-12723

https://access.redhat.com/errata/RHSA-2021:1032

https://bugzilla.redhat.com/1837975

https://bugzilla.redhat.com/1837988

https://bugzilla.redhat.com/1838000

Plugin Details

Severity: High

ID: 148889

File Name: redhat-RHSA-2021-1032.nasl

Version: 1.9

Type: local

Agent: unix

Published: 4/21/2021

Updated: 5/24/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2020-10878

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:perl-extutils-cbuilder, p-cpe:/a:redhat:enterprise_linux:perl-extutils-install, p-cpe:/a:redhat:enterprise_linux:perl-cpan, p-cpe:/a:redhat:enterprise_linux:perl-time-piece, p-cpe:/a:redhat:enterprise_linux:perl, cpe:/o:redhat:rhel_eus:7.7, p-cpe:/a:redhat:enterprise_linux:perl-module-loaded, p-cpe:/a:redhat:enterprise_linux:perl-locale-maketext-simple, p-cpe:/a:redhat:enterprise_linux:perl-io-zlib, p-cpe:/a:redhat:enterprise_linux:perl-tests, p-cpe:/a:redhat:enterprise_linux:perl-extutils-embed, cpe:/o:redhat:rhel_e4s:7.7, cpe:/o:redhat:rhel_tus:7.7, p-cpe:/a:redhat:enterprise_linux:perl-libs, p-cpe:/a:redhat:enterprise_linux:perl-pod-escapes, cpe:/o:redhat:rhel_aus:7.7, p-cpe:/a:redhat:enterprise_linux:perl-object-accessor, p-cpe:/a:redhat:enterprise_linux:perl-devel, p-cpe:/a:redhat:enterprise_linux:perl-package-constants, p-cpe:/a:redhat:enterprise_linux:perl-module-corelist, p-cpe:/a:redhat:enterprise_linux:perl-core, p-cpe:/a:redhat:enterprise_linux:perl-macros

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: 3/30/2021

Vulnerability Publication Date: 6/2/2020

Reference Information

CVE: CVE-2020-10543, CVE-2020-10878, CVE-2020-12723

CWE: 122, 185, 190, 20, 787

IAVA: 2020-A-0268, 2021-A-0030, 2021-A-0328

RHSA: 2021:1032