PT-2023-19792 · Nethack+1 · Nethack+1

Keith Simpson · CVE-2023-24809 · Published 2023-02-17 · Updated 2023-02-28

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions NetHack versions 3.6.2 through 3.6.6

Description The issue arises from illegal input to the "C" (call) command, which can cause a buffer overflow and crash the NetHack process. This may pose a security risk for systems with NetHack installed suid/sgid and for shared systems, potentially leading to a process crash.

Recommendations For versions 3.6.2 through 3.6.6, update to NetHack 3.6.7 to resolve the issue.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2023-24809

GHSA-2CQV-5W4V-MGCH

Affected Products

Debian

Nethack

References · 10

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/24xxx/CVE-2023-24809.json · Exploit
• https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-24809 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-24809 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-24809 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-24809 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-24809 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-24809 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-24809 · Security Note
• https://nethack.org/security/CVE-2023-24809.html · Vendor Advisory