CVE-2018-6198

low-risk
Published 2018-01-25

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.

Do I need to act?

-
0.08% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10 Medium
LOCAL / HIGH complexity

Affected Products (5)

W3M

Affected Vendors

Canonical Tats

References (14)

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html
Third Party Advisory http://www.securityfocus.com/bid/102855
Issue Tracking https://bugs.debian.org/888097
Patch https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753
Patch https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242...
Third Party Advisory https://usn.ubuntu.com/3555-1/
Third Party Advisory https://usn.ubuntu.com/3555-2/
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html
Third Party Advisory http://www.securityfocus.com/bid/102855
Issue Tracking https://bugs.debian.org/888097
Patch https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753
Patch https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242...
Third Party Advisory https://usn.ubuntu.com/3555-1/
Third Party Advisory https://usn.ubuntu.com/3555-2/
24
/ 100
low-risk
Severity 12/34 · Low
Exploitability 0/34 · Minimal
Exposure 12/34 · Low