RHEL 8 : perl (RHSA-2021:2792)

high Nessus Plugin ID 151848
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2792 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)

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://cwe.mitre.org/data/definitions/122.html

https://cwe.mitre.org/data/definitions/190.html

https://cwe.mitre.org/data/definitions/787.html

https://cwe.mitre.org/data/definitions/185.html

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

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

https://bugzilla.redhat.com/1837975

https://bugzilla.redhat.com/1837988

https://access.redhat.com/errata/RHSA-2021:2792

Plugin Details

Severity: High

ID: 151848

File Name: redhat-RHSA-2021-2792.nasl

Version: 1.3

Type: local

Agent: unix

Published: 7/21/2021

Updated: 10/7/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2020-10878

VPR

Risk Factor: Medium

Score: 5.5

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

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: cpe:2.3:o:redhat:rhel_aus:8.2:*:*:*:*:*:*:*, cpe:2.3:o:redhat:rhel_e4s:8.2:*:*:*:*:*:*:*, cpe:2.3:o:redhat:rhel_eus:8.2:*:*:*:*:*:*:*, cpe:2.3:o:redhat:rhel_tus:8.2:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-extutils-embed:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-io-zlib:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-locale-maketext-simple:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-module-loaded:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-time-piece:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-macros:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-tests:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-attribute-handlers:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-devel-peek:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-devel-selfstubber:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-errno:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-extutils-miniperl:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-io:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-math-complex:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-memoize:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-net-ping:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-pod-html:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-selfloader:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-test:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-interpreter:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-libnetcfg:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-open:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:perl-utils:*:*:*:*:*:*:*

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: 7/20/2021

Vulnerability Publication Date: 6/2/2020

Reference Information

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

CWE: 190, 122, 787, 185

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

RHSA: 2021:2792