CVE-2018-6198
MEDIUM severity · CVSS 4.7 · CWE-59
4.7CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityHigh
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://bugs.debian.org/888097 ↗
Additional information
- NVD record
- https://bugs.debian.org/888097Patch
- https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753Patch
- https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753Patch
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html
- http://www.securityfocus.com/bid/102855Advisory
- https://usn.ubuntu.com/3555-1/Advisory
- https://usn.ubuntu.com/3555-2/Advisory