CVE-2018-6198

Published: Jan 25, 2018Modified: Nov 21, 2024

4.7

Vector

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

Exploitability: 1.0 / Impact: 3.6

Source: NVD

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.

Affected (5)

Products: Tats: W3m · Canonical: Ubuntu Linux

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Tats W3m	Up to 0.5.3

Configuration B

4 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 12.04
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 17.10

Related CWEs

CWE-59

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (14)

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html

Source: cve@mitre.org

http://www.securityfocus.com/bid/102855

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://bugs.debian.org/888097

Source: cve@mitre.org

Issue TrackingPatchThird Party Advisory

https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753

Source: cve@mitre.org

PatchThird Party Advisory

https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753

Source: cve@mitre.org

PatchThird Party Advisory

https://usn.ubuntu.com/3555-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3555-2/

Source: cve@mitre.org

Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html