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. A malicious user can overwrite the server's stack.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.69% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 85.3% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-06-22 19:13Z6 YR AGO
- Last updated
- 2024-08-04 13:00Z2 YR AGO
- Reserved
- 2020-06-22
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
- Data version
- 5.1
- Document digest
- e9b76845f734d8d2bb66c6b3678abdb12469bcf7c4ff7e60ef617bffffb903d3
05 Affected products
06 References
- github.comhttps://github.com/chocolate-doom/chocolate-doom/issues/1293
- lists.opensuse.orgopenSUSE-SU-2020:0928http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html
- lists.opensuse.orgopenSUSE-SU-2020:0939http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html
- lists.opensuse.orgopenSUSE-SU-2020:0947http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html
07 Fixed in
Debian 12
- chocolate-doom Fixed in 3.0.1-1
- crispy-doom Fixed in 5.9.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- chocolate-doom Fixed in 3.0.1-1
- crispy-doom Fixed in 5.9.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- chocolate-doom Fixed in 3.0.1-1
- crispy-doom Fixed in 5.9.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- chocolate-doom No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- chocolate-doom No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- chocolate-doom No fix yet
- crispy-doom No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.