#VU10375 Security restrictions bypass in w3m - CVE-2018-6198

 

#VU10375 Security restrictions bypass in w3m - CVE-2018-6198

Published: February 5, 2018


Vulnerability identifier: #VU10375
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-6198
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
w3m
Software vendor:
w3m.sourceforge.net

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to improper handling of temporary files when the ~/.w3m directory is unwritable. A local attacker can craft a symlink attack to bypass security restrictions and overwrite arbitrary files.

Remediation

Install update from vendor's website.

External links