CVE-2020-14983: chocolate-doom chocolate_doom Classic Buffer Overflow
CVSS: 9.8v3.1CriticalModified
AliasesMGASA-2020-0302openSUSE-SU-2020:0947-1UBUNTU-CVE-2020-14983DEBIAN-CVE-2020-14983openSUSE-SU-2020:0928-1openSUSE-SU-2020:0939-1
Published 22-06-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-14983 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in chocolate-doom chocolate_doom. EPSS estimates a 2.69% chance of exploitation in the next 30 days, higher than 85.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
2.69%
0%100%
Low · +0.44 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 22-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.69%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
+0.44 pp
From 2.25% on 20-09-2026
20-09-202620-10-2026
EPSS score2.69%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundChocolate Doom
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Opensuse4 products
Chocolate-doom2 products
- chocolate_doom3.0.0
- crispy_doom5.8.0
Debian2 products
- chocolate-doom< 3.0.1-1
- crispy-doom< 5.9.0-1
Ubuntu2 products
- chocolate-doomAll versions (No fix recorded)
- crispy-doomAll versions (No fix recorded)
Mageia1 product
- chocolate-doom< 3.0.1-1.mga7
Suse1 product
- chocolate-doom&distro=SUSE Package Hub 15 SP1< 3.0.1-bp151.4.3.1
6 vendors · 12 products
References
15 links- github.com/chocolate-doom/chocolate-doom/issues/1293X Refsource MISCREPORTExploitPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/archives/…Advisory
Show all 15 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory