CVE-2020-14983

CRITICAL
9.8
CVSS Score
Published: June 22, 2020 at 07:13 PM UTC
Updated: June 17, 2026 at 02:55 AM UTC
4 products affected across 2 vendorsLeapBackportsCrispy Doom

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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (4)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html
x_refsource_MISCExploitPatchThird Party Advisory
https://github.com/chocolate-doom/chocolate-doom/issues/1293

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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