CVE-2018-6198 Information

Description

w3m through 0.5.3 does not properly handle temporary files when the ~/.w3m directory is unwritable which allows a local attacker to craft a symlink attack to overwrite arbitrary files.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html http://www.securityfocus.com/bid/102855 https://bugs.debian.org/888097 https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753 https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753 https://usn.ubuntu.com/3555-1/ https://usn.ubuntu.com/3555-2/

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

4.7