Bug 1730472 (CVE-2019-13057)

Summary:	CVE-2019-13057 openldap: Information disclosure issue in slapd component
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	asoldano, bbaranow, bmaxwell, brian.stansberry, cdewolf, chazlett, csutherl, darran.lofthouse, dosoudil, gzaronik, iweiss, jawilson, jclere, jperkins, krathod, kwills, lgao, mbabacek, msochure, msvehla, mturk, myarboro, nwallace, pkis, pmackay, psotirop, rguimara, rmeggins, rsvoboda, scorneli, security-response-team, smaestri, spichugi, tom.jenkinson, twalsh, vashirov, weli
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	openldap 2.4.48	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-12-10 16:15:29 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:	1734760, 1738925, 1740757
Bug Blocks:	1730478

Description Pedro Sampaio 2019-07-16 19:57:52 UTC

A flaw was found in openldap before version 2.4.48. A rootdn for database A can incorrectly assert the identity of any user in database B.

References:

https://bugzilla.redhat.com/show_bug.cgi?id=1728902

Comment 1 Marian Rehak 2019-07-31 11:21:23 UTC

Created openldap tracking bugs for this issue:

Affects: fedora-all [bug 1734760]

Comment 2 Joshua Padman 2019-08-06 05:33:23 UTC

This vulnerability is out of security support scope for the following product:
 * Red Hat Enterprise Application Platform 5
 * Red Hat JBoss Web Server 2 
 * Red Hat JBoss Core Services

Please refer to https://access.redhat.com/support/policy/updates/jboss_notes for more details.

Comment 3 Stefan Cornelius 2019-08-08 11:43:24 UTC

External References:

http://www.openldap.org/lists/openldap-announce/201907/msg00001.html
https://openldap.org/its/?findid=9038

Comment 4 Stefan Cornelius 2019-08-08 11:50:58 UTC

Patch:
https://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commit;h=fbe5611e606e80e56e158cc42f0c7289975836a8

Test related to the patch:
https://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commit;h=eb5a58487b293358887a2b7f41ea1873abf55fa0
https://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commit;h=12f02425890c2d44d5976c0de2ef64726dc56285
https://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commit;h=15137bf76fc68f3c97c92ec0d2354d4dd0906348

Comment 6 Stefan Cornelius 2019-08-08 12:01:56 UTC

Mitigation:

This is only an issue in e.g. multi-tenant deployments that require isolation of databases. Do not give rootDN privileges to untrusted users.

Comment 9 Stefan Cornelius 2019-08-14 16:35:22 UTC

Statement:

This issue affects the versions of openldap as shipped with Red Hat Enterprise Linux 5, 6, 7, and 8.

Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Moderate, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.