Bug 1852412 (CVE-2020-14983) - CVE-2020-14983 chocolate-doom: malicious user can overwrite the server's stack leads to DoS
Summary: CVE-2020-14983 chocolate-doom: malicious user can overwrite the server's stac...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-14983
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1852413
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-06-30 11:18 UTC by Dhananjay Arunesh
Modified: 2020-06-30 11:20 UTC (History)
1 user (show)

Fixed In Version:
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Last Closed: 2020-06-30 11:20:27 UTC
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Description Dhananjay Arunesh 2020-06-30 11:18:49 UTC 
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.

References:
https://github.com/chocolate-doom/chocolate-doom/issues/1293
Comment 1 Dhananjay Arunesh 2020-06-30 11:19:35 UTC 
Created chocolate-doom tracking bugs for this issue:

Affects: fedora-all [bug 1852413]
Comment 2 Product Security DevOps Team 2020-06-30 11:20:27 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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