| Name | CVE-2023-24809 |
| Description | NetHack is a single player dungeon exploration game. Starting with version 3.6.2 and prior to version 3.6.7, illegal input to the "C" (call) command can cause a buffer overflow and crash the NetHack process. This vulnerability may be a security issue for systems that have NetHack installed suid/sgid and for shared systems. For all systems, it may result in a process crash. This issue is resolved in NetHack 3.6.7. There are no known workarounds. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1031869 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| nethack (PTS) | jessie | 3.4.3-15 | vulnerable |
| stretch | 3.6.0-4 | vulnerable |
| buster | 3.6.1-1 | vulnerable |
| bullseye | 3.6.6-2 | vulnerable |
| bookworm | 3.6.6-3 | vulnerable |
| sid, trixie | 3.6.7-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| nethack | source | jessie | (unfixed) | end-of-life | | |
| nethack | source | stretch | (unfixed) | end-of-life | | |
| nethack | source | (unstable) | 3.6.7-1 | | | 1031869 |
Notes
[bookworm] - nethack <ignored> (Minor issue)
[bullseye] - nethack <no-dsa> (Minor issue)
[buster] - nethack <no-dsa> (Minor issue)
https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch
https://nethack.org/security/CVE-2023-24809.html