Bug 1316427 (CVE-2015-8833)

Summary:	CVE-2015-8833 pidgin-otr: heap use after free vulnerability
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	carnil, huzaifas, pwouters
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	pidgin-otr 4.0.3	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 02:49:33 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:	1316428, 1316429
Bug Blocks:

Description Andrej Nemec 2016-03-10 08:40:40 UTC

The pidgin-otr plugin version 4.0.2 fixes a heap use after free error. The bug is triggered when a user tries to authenticate a buddy and happens in the function create_smp_dialog.

External references:

https://blog.fuzzing-project.org/39-Heap-use-after-free-in-Pidgin-OTR-plugin.html
http://seclists.org/oss-sec/2016/q1/572

Upstream bug report:

https://bugs.otr.im/issues/88

Upstream fix:

https://bugs.otr.im/projects/pidgin-otr/repository/revisions/aaf551b9dd5cbba8c4abaa3d4dc7ead860efef94

Comment 1 Andrej Nemec 2016-03-10 08:41:08 UTC

Created pidgin-otr tracking bugs for this issue:

Affects: fedora-all [bug 1316428]
Affects: epel-6 [bug 1316429]

Comment 2 Product Security DevOps Team 2019-06-08 02:49:33 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.