CVE-2020-14983

moderate-risk

Published 2020-06-22

The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.

Do I need to act?

0.60% chance of exploitation

EPSS score — low 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

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (5)

Chocolate Doom

Crispy Doom

Backports

Leap

Affected Vendors

Opensuse Chocolate-Doom

References (8)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html

Exploit https://github.com/chocolate-doom/chocolate-doom/issues/1293

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html

Exploit https://github.com/chocolate-doom/chocolate-doom/issues/1293

/ 100

moderate-risk

Severity 32/34 · Critical

Exploitability 2/34 · Minimal

Exposure 12/34 · Low