CVE-2018-6198
UnknownEPSS 0.40%
Last modified
CVE-2018-6198 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tats | W3m | <= 0.5.3 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 17.10 |
References
- http://www.securityfocus.com/bid/102855Third Party Advisory, VDB Entry
- https://bugs.debian.org/888097Issue Tracking, Patch, Third Party Advisory
- https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753Patch, Third Party Advisory
- https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753Patch, Third Party Advisory
- https://usn.ubuntu.com/3555-1/Third Party Advisory
- https://usn.ubuntu.com/3555-2/Third Party Advisory
- http://www.securityfocus.com/bid/102855Third Party Advisory, VDB Entry
- https://bugs.debian.org/888097Issue Tracking, Patch, Third Party Advisory
- https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753Patch, Third Party Advisory
- https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753Patch, Third Party Advisory
- https://usn.ubuntu.com/3555-1/Third Party Advisory
- https://usn.ubuntu.com/3555-2/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-6198?
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.
How severe is CVE-2018-6198?
Severity scoring for CVE-2018-6198 is pending analysis. The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2018-6198?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-6198?
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Scan your code nowSource: NVD / NIST