Bug 1205200 (CVE-2015-1827)

Summary:	CVE-2015-1827 ipa: memory corruption when using get_user_grouplist()
Product:	[Other] Security Response	Reporter:	Francisco Alonso <falonso>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	rcritten, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	It was discovered that the IPA extdom Directory Server plug-in did not correctly perform memory reallocation when handling user account information. A request for a list of groups for a user that belongs to a large number of groups would cause a Directory Server to crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 02:40:32 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:	1202997, 1202998, 1206047
Bug Blocks:	1195735

Description Francisco Alonso 2015-03-24 12:48:05 UTC

It was discovered that the IPA extdom Directory Server plug-in did not correctly perform memory reallocation when handling user account information. A request for a list of groups for a user that belongs to a large number of groups would cause a Directory Server to crash.

Acknowledgements:

This issue was discovered by Sumit Bose of Red Hat.

Comment 1 Francisco Alonso 2015-03-24 14:21:41 UTC

IPA upstream bug:

https://fedorahosted.org/freeipa/ticket/4908

Comment 2 Tomas Hoger 2015-03-25 09:30:51 UTC

Related upstream commits:

https://git.fedorahosted.org/cgit/freeipa.git/commit/?id=8c89807b112585d85c1941d3d58b546e79ea2409
https://git.fedorahosted.org/cgit/freeipa.git/commit/?id=50c8f0c80175c7812bb523ab2387b19a94245b59
https://git.fedorahosted.org/cgit/freeipa.git/commit/?id=c15a407cbfaed163a933ab137eed16387efe25d2

Comment 3 Tomas Hoger 2015-03-26 08:11:16 UTC

Created freeipa tracking bugs for this issue:

Affects: fedora-all [bug 1206047]

Comment 4 errata-xmlrpc 2015-03-26 15:50:57 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:0728 https://rhn.redhat.com/errata/RHSA-2015-0728.html

Comment 5 Fedora Update System 2015-03-31 21:55:05 UTC

freeipa-4.1.4-1.fc22, slapi-nis-0.54.2-1.fc22 has been pushed to the Fedora 22 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 6 Fedora Update System 2015-04-06 08:32:35 UTC

freeipa-4.1.4-1.fc21, slapi-nis-0.54.2-1.fc21 has been pushed to the Fedora 21 stable repository.  If problems still persist, please make note of it in this bug report.