Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : w3m vulnerabilities (USN-3555-1)

Medium Nessus Plugin ID 106581


The remote Ubuntu host is missing a security-related patch.


It was discovered that w3m incorrectly handled certain inputs. An attacker could possibly use this to cause a denial of service.
(CVE-2018-6196, CVE-2018-6197)

It was discovered that w3m incorrectly handled temporary files. An attacker could possibly use this to overwrite arbitrary files.

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.


Update the affected w3m package.

Plugin Details

Severity: Medium

ID: 106581

File Name: ubuntu_USN-3555-1.nasl

Version: $Revision: 3.3 $

Type: local

Agent: unix

Published: 2018/02/02

Modified: 2018/02/12

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

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


Base Score: 7.5

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:w3m, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:17.10

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

Patch Publication Date: 2018/02/01

Reference Information

CVE: CVE-2018-6196, CVE-2018-6197, CVE-2018-6198

USN: 3555-1