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CVE-2020-14983

Good to know:

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Date: June 22, 2020

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.

Language: C

Severity Score

Related Resources (8)

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html
https://nvd.nist.gov/vuln/detail/CVE-2020-14983
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-14983
https://github.com/chocolate-doom/chocolate-doom/issues/1293
https://security-tracker.debian.org/tracker/CVE-2020-14983
https://www.mend.io/vulnerability-database/CVE-2020-14983

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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