Detections
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CentOS 9 : python3.9-3.9.23-2.el9

high Nessus Plugin ID 255191

Synopsis

The remote CentOS host is missing a security update for python-unversioned-command.

Description

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the python3.9-3.9.23-2.el9 build changelog.

 - There is a defect in the CPython tarfile module affecting the TarFile extraction and entry enumeration APIs. The tar implementation would process tar archives with negative offsets without error, resulting in an infinite loop and deadlock during the parsing of maliciously crafted tar archives. This vulnerability can be mitigated by including the following patch after importing the tarfile module:
 https://gist.github.com/sethmlarson/1716ac5b82b73dbcbf23ad2eff8b33e1 (CVE-2025-8194)

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 CentOS 9 Stream python-unversioned-command package.

See Also

https://kojihub.stream.centos.org/koji/buildinfo?buildID=81959

Plugin Details

Severity: High

ID: 255191

File Name: centos9_python3_9-3_9_23-2_81959.nasl

Version: 1.1

Type: local

Agent: unix

Published: 8/25/2025

Updated: 8/25/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-8194

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:python3-devel, p-cpe:/a:centos:centos:python3-tkinter, p-cpe:/a:centos:centos:python3-libs, p-cpe:/a:centos:centos:python3-debug, p-cpe:/a:centos:centos:python3-idle, cpe:/a:centos:centos:9, p-cpe:/a:centos:centos:python3-test, p-cpe:/a:centos:centos:python3, p-cpe:/a:centos:centos:python-unversioned-command

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/20/2025

Vulnerability Publication Date: 7/28/2025

Reference Information

CVE: CVE-2025-8194