VulnerabilityModified
CVE-2020-14983
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.
CRITICAL 9.8EPSS 2.25%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.25% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- chocolate-doom/chocolate doom · chocolate-doom/crispy doom · opensuse/backports · opensuse/leap
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.htmlMailing List, Third Party Advisory
- https://github.com/chocolate-doom/chocolate-doom/issues/1293Exploit, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.htmlMailing List, Third Party Advisory
- https://github.com/chocolate-doom/chocolate-doom/issues/1293Exploit, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.