Ubuntu 16.04 LTS / 18.04 LTS : PyXDG vulnerability (USN-4700-1)

high Nessus Plugin ID 145081

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4700-1 advisory.

Alexandre D'Hondt discovered that PyXDG did not properly sanitize input. An attacker could exploit this with a crafted .menu file to execute arbitrary code.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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 python-xdg and / or python3-xdg packages.

Plugin Details

Severity: High

ID: 145081

File Name: ubuntu_USN-4700-1.nasl

Version: 1.8

Type: local

Agent: unix

Family: Ubuntu Local Security Checks

Published: 1/19/2021

Updated: 2/20/2025

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: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 4

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

CVSS Score Source: CVE-2019-12761

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python-xdg, p-cpe:/a:canonical:ubuntu_linux:python3-xdg, cpe:/o:canonical:ubuntu_linux:16.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/19/2021

Vulnerability Publication Date: 6/6/2019

Reference Information

CVE: CVE-2019-12761

USN: 4700-1

Detections

Analytics