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CVE-2018-6198

Published: 24 January 2018

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.

Priority

Low

Cvss 3 Severity Score

4.7

Score breakdown

Status

Package Release Status
w3m
Launchpad, Ubuntu, Debian
upstream
Released (0.5.3-36)
precise
Released (0.5.3-5ubuntu1.3)
trusty
Released (0.5.3-15ubuntu0.2)
xenial
Released (0.5.3-26ubuntu0.2)
artful
Released (0.5.3-34ubuntu0.1)

Severity score breakdown

Parameter Value
Base score 4.7
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N