Detections
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Linux Distros Unpatched Vulnerability : CVE-2020-12723

high Nessus Plugin ID 223293

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls. (CVE-2020-12723)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

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

Plugin Details

Severity: High

ID: 223293

File Name: unpatched_CVE_2020_12723.nasl

Version: 1.3

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 9/14/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2020-12723

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:perl-libnetcfg, p-cpe:/a:centos:centos:perl-locale-maketext-simple, p-cpe:/a:centos:centos:perl-pod-html, p-cpe:/a:redhat:enterprise_linux:perl-errno, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:perl-tests, p-cpe:/a:redhat:enterprise_linux:perl-time-piece, p-cpe:/a:centos:centos:perl-io-zlib, p-cpe:/a:centos:centos:perl-errno, p-cpe:/a:redhat:enterprise_linux:perl-extutils-miniperl, p-cpe:/a:redhat:enterprise_linux:perl-devel-selfstubber, p-cpe:/a:centos:centos:perl-devel-selfstubber, p-cpe:/a:redhat:enterprise_linux:perl-module-loaded, p-cpe:/a:redhat:enterprise_linux:perl-attribute-handlers, p-cpe:/a:centos:centos:perl-devel-peek, p-cpe:/a:centos:centos:perl-module-loaded, p-cpe:/a:centos:centos:perl-interpreter, p-cpe:/a:redhat:enterprise_linux:perl-open, p-cpe:/a:redhat:enterprise_linux:perl-selfloader, p-cpe:/a:redhat:enterprise_linux:perl-tests, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:perl-pod-html, p-cpe:/a:redhat:enterprise_linux:perl-io-zlib, p-cpe:/a:centos:centos:perl-net-ping, p-cpe:/a:redhat:enterprise_linux:perl-extutils-embed, p-cpe:/a:centos:centos:perl-extutils-miniperl, p-cpe:/a:redhat:enterprise_linux:perl-memoize, p-cpe:/a:centos:centos:perl-selfloader, p-cpe:/a:centos:centos:perl-io, p-cpe:/a:redhat:enterprise_linux:perl-locale-maketext-simple, p-cpe:/a:centos:centos:perl-devel, p-cpe:/a:centos:centos:perl-open, p-cpe:/a:centos:centos:perl-time-piece, p-cpe:/a:redhat:enterprise_linux:perl-libs, p-cpe:/a:centos:centos:perl-memoize, p-cpe:/a:redhat:enterprise_linux:perl-math-complex, p-cpe:/a:centos:centos:perl-math-complex, p-cpe:/a:redhat:enterprise_linux:perl-net-ping, p-cpe:/a:redhat:enterprise_linux:perl-devel-peek, p-cpe:/a:centos:centos:perl-test, p-cpe:/a:centos:centos:perl-extutils-embed, p-cpe:/a:centos:centos:perl-utils, p-cpe:/a:redhat:enterprise_linux:perl-devel, p-cpe:/a:centos:centos:perl-attribute-handlers, p-cpe:/a:redhat:enterprise_linux:perl-interpreter, p-cpe:/a:redhat:enterprise_linux:perl-test, p-cpe:/a:centos:centos:perl-libs, p-cpe:/a:redhat:enterprise_linux:perl-io, p-cpe:/a:redhat:enterprise_linux:perl-macros, p-cpe:/a:redhat:enterprise_linux:perl-utils, p-cpe:/a:redhat:enterprise_linux:perl-libnetcfg, p-cpe:/a:centos:centos:perl-macros

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 6/2/2020

Reference Information

CVE: CVE-2020-12723