Bug 1331686 (CVE-2016-2167)

Summary:	CVE-2016-2167 subversion: svnserve/sasl may authenticate users using the wrong realm
Product:	[Other] Security Response	Reporter:	Martin Prpič <mprpic>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jorton, slawomir, vanmeeuwen+fedora
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Subversion 1.8.16, Subversion 1.9.4	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-05-11 09:34:48 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:	1331687
Bug Blocks:	1331688

Description Martin Prpič 2016-04-29 09:18:28 UTC

It was found that authentication against the Cyrus SASL library would permit a remote user to specify a realm string which is a prefix of the expected realm string. Consequently, a user who has valid credentials to a realm, whose name is a prefix of the repository's realm, would be able to successfully authenticate to the repository.

External References:

https://subversion.apache.org/security/CVE-2016-2167-advisory.txt

Comment 1 Martin Prpič 2016-04-29 09:19:43 UTC

Created subversion tracking bugs for this issue:

Affects: fedora-all [bug 1331687]