CVE-2019-19905

CRITICAL

Nethack < 3.6.4 - Buffer Overflow

Title source: rule

Description

NetHack 3.6.x before 3.6.4 is prone to a buffer overflow vulnerability when reading very long lines from configuration files. This affects systems that have NetHack installed suid/sgid, and shared systems that allow users to upload their own configuration files.

Exploits (1)

nomisec WORKING POC

by dpmdpm2 · poc

https://github.com/dpmdpm2/CVE-2019-19905

View Code ZIP pw:eip

References (5)

[Issue Tracking, Patch, Third Party Advisory] https://bugs.debian.org/947005

[Patch] https://github.com/NetHack/NetHack/commit/f001de79542b8c38b1f8e6d7eaefbbd28ab94b47

[Patch] https://github.com/NetHack/NetHack/commit/f4a840a48f4bcf11757b3d859e9d53cc9d5ef226

[Third Party Advisory] https://github.com/NetHack/NetHack/security/advisories/GHSA-3cm7-rgh5-9pq5

[Vendor Advisory] https://nethack.org/security/

Scores

CVSS v3 9.8

EPSS 0.0336

EPSS Percentile 87.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-120

Status published

Products (1)

nethack/nethack 3.6.0 - 3.6.4

Published Dec 19, 2019

Tracked Since Feb 18, 2026