Scientific Linux Security Update : perl on SL7.x i686/x86_64 (2021:0343)

high Nessus Plugin ID 146065

Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

The remote Scientific Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the SLSA-2021:0343-1 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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://www.scientificlinux.org/category/sl-errata/slsa-20210343-1

Plugin Details

Severity: High

ID: 146065

File Name: sl_20210202_perl_on_SL7_x.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2/2/2021

Updated: 2/5/2021

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: Medium

Score: 6.2

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: E:U/RL:OF/RC:C

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: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:perl, p-cpe:/a:fermilab:scientific_linux:perl-CPAN, p-cpe:/a:fermilab:scientific_linux:perl-ExtUtils-CBuilder, p-cpe:/a:fermilab:scientific_linux:perl-ExtUtils-Embed, p-cpe:/a:fermilab:scientific_linux:perl-ExtUtils-Install, p-cpe:/a:fermilab:scientific_linux:perl-IO-Zlib, p-cpe:/a:fermilab:scientific_linux:perl-Locale-Maketext-Simple, p-cpe:/a:fermilab:scientific_linux:perl-Module-CoreList, p-cpe:/a:fermilab:scientific_linux:perl-Module-Loaded, p-cpe:/a:fermilab:scientific_linux:perl-Object-Accessor, p-cpe:/a:fermilab:scientific_linux:perl-Package-Constants, p-cpe:/a:fermilab:scientific_linux:perl-Pod-Escapes, p-cpe:/a:fermilab:scientific_linux:perl-Time-Piece, p-cpe:/a:fermilab:scientific_linux:perl-core, p-cpe:/a:fermilab:scientific_linux:perl-debuginfo, p-cpe:/a:fermilab:scientific_linux:perl-devel, p-cpe:/a:fermilab:scientific_linux:perl-libs, p-cpe:/a:fermilab:scientific_linux:perl-macros, p-cpe:/a:fermilab:scientific_linux:perl-tests

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/2/2021

Vulnerability Publication Date: 6/5/2020

Reference Information

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