RHEL 7 : perl (RHSA-2021:1266)

high Nessus Plugin ID 148860

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Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1266 advisory.

Perl is a high-level programming language that is commonly used for system administration utilities and web programming.

Security Fix(es):

* 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)

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.

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 perl package based on the guidance in RHSA-2021:1266.

Plugin Details

Severity: High

ID: 148860

File Name: redhat-RHSA-2021-1266.nasl

Version: 1.10

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 4/20/2021

Updated: 11/7/2024

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

Vendor

Vendor Severity: Moderate

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-devel, p-cpe:/a:redhat:enterprise_linux:perl-macros, p-cpe:/a:redhat:enterprise_linux:perl-core, p-cpe:/a:redhat:enterprise_linux:perl-package-constants, p-cpe:/a:redhat:enterprise_linux:perl-object-accessor, p-cpe:/a:redhat:enterprise_linux:perl-module-corelist, p-cpe:/a:redhat:enterprise_linux:perl, p-cpe:/a:redhat:enterprise_linux:perl-tests, cpe:/o:redhat:rhel_aus:7.4, p-cpe:/a:redhat:enterprise_linux:perl-extutils-cbuilder, p-cpe:/a:redhat:enterprise_linux:perl-extutils-embed, cpe:/o:redhat:rhel_e4s:7.4, p-cpe:/a:redhat:enterprise_linux:perl-cpan, cpe:/o:redhat:rhel_tus:7.4, p-cpe:/a:redhat:enterprise_linux:perl-pod-escapes, p-cpe:/a:redhat:enterprise_linux:perl-time-piece, p-cpe:/a:redhat:enterprise_linux:perl-module-loaded, p-cpe:/a:redhat:enterprise_linux:perl-io-zlib, p-cpe:/a:redhat:enterprise_linux:perl-extutils-install, p-cpe:/a:redhat:enterprise_linux:perl-libs, p-cpe:/a:redhat:enterprise_linux:perl-locale-maketext-simple

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: 4/20/2021

Vulnerability Publication Date: 6/2/2020

Reference Information

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

CWE: 185, 787

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

RHSA: 2021:1266

Detections

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