CVE-2020-5209

low-risk
Published 2020-01-28

In NetHack before 3.6.5, unknown options starting with -de and -i 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 influence command line options. Users should upgrade to NetHack 3.6.5.

Do I need to act?

~
1.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.0/10 Medium
LOCAL / HIGH complexity

Affected Products (1)

Nethack

Affected Vendors

Nethack

References (4)

Patch https://github.com/NetHack/NetHack/commit/f3def5c0b999478da2d0a8f0b6a7c370a2065f...
Third Party Advisory https://github.com/NetHack/NetHack/security/advisories/GHSA-fw72-r8xm-45p8
Patch https://github.com/NetHack/NetHack/commit/f3def5c0b999478da2d0a8f0b6a7c370a2065f...
Third Party Advisory https://github.com/NetHack/NetHack/security/advisories/GHSA-fw72-r8xm-45p8
22
/ 100
low-risk
Severity 13/34 · Low
Exploitability 4/34 · Minimal
Exposure 5/34 · Minimal