Bug 2184020 (CVE-2023-29132)

Summary:	CVE-2023-29132 irssi: a use after free possible under special circumstances
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	jskarvad
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	irssi 1.4.4	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the Irssi package. When Irssi prints a message while another message is being printed, the list that keeps track of Irssi variables for use in statusbar/message patterns is incorrectly cleaned up, leading to a use-after-free condition.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-04-03 17:22:50 UTC	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:	2184033
Bug Blocks:	2183431

Description Marian Rehak 2023-04-03 13:06:00 UTC

When Irssi prints a message while another message is being printed, the list that keeps track of Irssi variables for use in statusbar/message patterns is not correctly cleaned up, leading to the use after free condition.

Reference:

https://irssi.org/security/irssi_sa_2023_03.txt

Comment 1 Marian Rehak 2023-04-03 13:08:31 UTC

From upstream:
Affected versions
-----------------
Irssi 1.3.0 and later

Comment 2 Marian Rehak 2023-04-03 13:22:25 UTC

Created irssi tracking bugs for this issue:

Affects: fedora-37 [bug 2184033]

Comment 3 Product Security DevOps Team 2023-04-03 17:22:48 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-29132