Bug 1839851 (CVE-2019-20797) - CVE-2019-20797 prboom-plus: heap-based buffer overflow in server and client UDP code
Summary: CVE-2019-20797 prboom-plus: heap-based buffer overflow in server and client U...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2019-20797
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: 1839852
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-05-25 18:51 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-05-25 21:15 UTC (History)
2 users (show)

Fixed In Version:
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Last Closed: 2020-05-25 21:15:26 UTC
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Description Guilherme de Almeida Suckevicz 2020-05-25 18:51:13 UTC 
An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and server code responsible for handling received UDP packets, as demonstrated by I_SendPacket or I_SendPacketTo in i_network.c.

References:
https://sourceforge.net/p/prboom-plus/bugs/252/
https://sourceforge.net/p/prboom-plus/bugs/253/
https://logicaltrust.net/blog/2019/10/prboom1.html
Comment 1 Guilherme de Almeida Suckevicz 2020-05-25 18:51:27 UTC 
Created prboom-plus tracking bugs for this issue:

Affects: fedora-all [bug 1839852]
Comment 2 Product Security DevOps Team 2020-05-25 21:15:26 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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