Bug 1473232 (CVE-2017-10965)

Summary:	CVE-2017-10965 irssi: NULL pointer dereference when receiving messages with invalid time stamps
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	huzaifas, jskarvad, mmahut, rosser.bjr
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	irssi 1.0.4	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-07-24 07:39:17 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:
Bug Blocks:	1473235

Description Andrej Nemec 2017-07-20 09:33:55 UTC

An issue was discovered in Irssi. When receiving messages with invalid time stamps, Irssi would try to dereference a NULL pointer.

Upstream patch:

https://github.com/irssi/irssi/commit/5e26325317c72a04c1610ad952974e206384d291

External References:

https://irssi.org/security/irssi_sa_2017_07.txt

Comment 1 Cedric Buissart 2017-07-24 07:38:19 UTC

Lowering severity based on the fact that the specially crafted message has to be sent by the IRC server.