SUSE SLED15 / SLES15 Security Update : python-Pygments (SUSE-SU-2021:3473-1)

high Nessus Plugin ID 154319
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 SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2021:3473-1 advisory.

- An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only contains the exception keyword. (CVE-2021-20270)

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 python3-Pygments package.

See Also

https://bugzilla.suse.com/1183169

http://www.nessus.org/u?9b35cf97

https://www.suse.com/security/cve/CVE-2021-20270

Plugin Details

Severity: High

ID: 154319

File Name: suse_SU-2021-3473-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 10/21/2021

Updated: 10/21/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2021-20270

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:python3-Pygments, cpe:/o:novell:suse_linux:15

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/20/2021

Vulnerability Publication Date: 3/23/2021

Reference Information

CVE: CVE-2021-20270

SuSE: SUSE-SU-2021:3473-1