CVE-2020-14983 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00012.html https://github.com/chocolate-doom/chocolate-doom/issues/1293

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8