Bug 1546223 (CVE-2018-7054)

Summary:	CVE-2018-7054 irssi: use-after-free when a server is disconnected during netsplits
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	huzaifas, jskarvad, mmahut
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	irssi 1.0.7, irssi 1.1.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-04-04 13:48:52 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:	1546318, 1563662, 1563666
Bug Blocks:	1546283

Description Laura Pardo 2018-02-16 16:31:42 UTC

An issue was discovered in Irssi 1.0.0 and later. There is a use-after-free when a server is disconnected during netsplits. 


References:
https://irssi.org/security/irssi_sa_2018_02.txt

Comment 1 Laura Pardo 2018-02-16 20:12:22 UTC

Created irssi tracking bugs for this issue:

Affects: fedora-all [bug 1546318]

Comment 4 Riccardo Schirone 2018-04-04 12:25:39 UTC

Upstream patches:
https://github.com/irssi/irssi/commit/a6cae91cecba2e8cf11ed779c5da5a229472575c
https://github.com/irssi/irssi/commit/38ba3ca2c40fc8ccccec8dc3f360c4087e7dd498

Comment 6 Riccardo Schirone 2018-04-04 14:44:31 UTC

Statement:

This issue did not affect the versions of Irssi as shipped with Red Hat Enterprise Linux 6 and 7, since the affected code was introduced in Irssi version 1.0.0.