Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : lxml vulnerability (USN-3841-1)

medium Nessus Plugin ID 119580

Synopsis

The remote Ubuntu host is missing a security update.

Description

It was discovered that lxml incorrectly handled certain HTML files. An attacker could possibly use this issue to conduct cross-site scripting (XSS) attacks.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected python-lxml and / or python3-lxml packages.

See Also

https://ubuntu.com/security/notices/USN-3841-1

Plugin Details

Severity: Medium

ID: 119580

File Name: ubuntu_USN-3841-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 12/11/2018

Updated: 10/21/2023

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

Risk Information

VPR

Risk Factor: Low

Score: 3.0

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2018-19787

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:python-lxml, p-cpe:/a:canonical:ubuntu_linux:python3-lxml, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/10/2018

Vulnerability Publication Date: 12/2/2018

Reference Information

CVE: CVE-2018-19787

USN: 3841-1