Bug 1747346 (CVE-2019-15717)

Summary:	CVE-2019-15717 Irssi: use-after-free if the IRC server sends double CAP
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	huzaifas, jskarvad, mmahut
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Irssi 1.2.2	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-09-23 12:45:35 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:	1747347
Bug Blocks:	1747348

Description Dhananjay Arunesh 2019-08-30 07:33:55 UTC

A vulnerability was found in Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP.

Reference:
https://github.com/irssi/irssi/commit/5a4e7ab659aba2855895c9f43e9a7a131f4e89b3

Comment 1 Dhananjay Arunesh 2019-08-30 07:34:07 UTC

Created irssi tracking bugs for this issue:

Affects: fedora-all [bug 1747347]

Comment 2 Dhananjay Arunesh 2019-08-30 07:34:44 UTC

External References:

https://irssi.org/security/irssi_sa_2019_08.txt

Comment 3 Cedric Buissart 2019-09-23 10:24:04 UTC

Statement:

The versions of Irssi as shipped in Red Hat Enterprise Linux 6, 7 and 8 are not affected by this vulnerability. Only Irssi versions 1.2.x may be vulnerable.

Comment 4 Product Security DevOps Team 2019-09-23 12:45:35 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-2019-15717