Vulnerability Details : 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.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2020-14983
Probability of exploitation activity in the next 30 days: 0.18%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 54 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-14983
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-14983
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-14983
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html
[security-announce] openSUSE-SU-2020:0947-1: important: Security updateMailing List;Third Party Advisory
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https://github.com/chocolate-doom/chocolate-doom/issues/1293
Missing server-side num_players validation leading to buffer overflow · Issue #1293 · chocolate-doom/chocolate-doom · GitHubExploit;Patch;Third Party Advisory
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http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html
[security-announce] openSUSE-SU-2020:0939-1: important: Security updateMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html
[security-announce] openSUSE-SU-2020:0928-1: important: Security updateMailing List;Third Party Advisory
Products affected by CVE-2020-14983
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:*
- cpe:2.3:a:chocolate-doom:chocolate_doom:3.0.0:-:*:*:*:*:*:*
- cpe:2.3:a:chocolate-doom:crispy_doom:5.8.0:*:*:*:*:*:*:*