CVE-2020-5211
Last modified
CVE-2020-5211 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In NetHack before 3.6.5, an invalid extended command in value for the AUTOCOMPLETE configuration file option can cause a buffer overflow resulting in a crash or remote code execution/privilege escalation. This vulnerability affects systems that have NetHack installed suid/sgid and shared systems that allow users to upload their own configuration files. EPSS estimates a 1.07% chance of exploitation in the next 30 days.
Description
In NetHack before 3.6.5, an invalid extended command in value for the AUTOCOMPLETE configuration file option can cause a buffer overflow resulting in a crash or remote code execution/privilege escalation. This vulnerability affects systems that have NetHack installed suid/sgid and shared systems that allow users to upload their own configuration files. Users should upgrade to NetHack 3.6.5.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nethack | Nethack | < 3.6.5 |
References
- https://github.com/NetHack/NetHack/security/advisories/GHSA-r788-4jf4-r9f7Third Party Advisory
- https://github.com/NetHack/NetHack/security/advisories/GHSA-r788-4jf4-r9f7Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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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.
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