Bug 2254874 (CVE-2023-50784)

Summary:	CVE-2023-50784 unrealircd: denial of service and rce
Product:	[Other] Security Response	Reporter:	ybuenos
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	unrealircd 6.1.4	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2254875, 2254876
Bug Blocks:

Description ybuenos 2023-12-17 11:17:25 UTC

A buffer overflow in websockets in UnrealIRCd 6.1.0 through 6.1.3 before 6.1.4 allows an unauthenticated remote attacker to crash the server by sending an oversized packet (if a websocket port is open). Remote code execution might be possible on some uncommon, older platforms.

https://forums.unrealircd.org/viewtopic.php?t=9340
https://www.unrealircd.org/index/news

Comment 1 ybuenos 2023-12-17 11:17:41 UTC

Created unrealircd tracking bugs for this issue:

Affects: epel-all [bug 2254876]
Affects: fedora-all [bug 2254875]