Detections
Analytics
Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : lxml vulnerability (USN-5225-1)
high Nessus Plugin ID 156650
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Synopsis
The remote Ubuntu host is missing a security update.Description
The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5225-1 advisory.It was discovered that lxml incorrectly handled certain XML and HTML files. An attacker could possibly use this issue 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-lxml and / or python3-lxml packages.See Also
Plugin Details
Severity: High
ID: 156650
File Name: ubuntu_USN-5225-1.nasl
Version: 1.6
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 1/12/2022
Updated: 8/27/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.0
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-43818
CVSS v3
Risk Factor: High
Base Score: 7.1
Temporal Score: 6.2
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:python-lxml, p-cpe:/a:canonical:ubuntu_linux:python3-lxml, cpe:/o:canonical:ubuntu_linux:16.04:-:esm
Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release
Exploit Ease: No known exploits are available
Patch Publication Date: 1/12/2022
Vulnerability Publication Date: 12/13/2021
Reference Information
CVE: CVE-2021-43818
USN: 5225-1