Bug 709525 (CVE-2011-1922)

Summary:	CVE-2011-1922 unbound: remote DoS
Product:	[Other] Security Response	Reporter:	Vincent Danen <vdanen>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	pwouters
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-06-01 04:35:50 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:	709526, 709527, 709528
Bug Blocks:

Description Vincent Danen 2011-05-31 21:33:51 UTC

Common Vulnerabilities and Exposures assigned an identifier CVE-2011-1922 to
the following vulnerability:

Name: CVE-2011-1922
URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1922
Assigned: 20110509
Reference: http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt
Reference: CERT-VN:VU#531342
Reference: http://www.kb.cert.org/vuls/id/531342
Reference: http://www.securityfocus.com/bid/47986

daemon/worker.c in Unbound 1.x before 1.4.10, when debugging
functionality and the interface-automatic option are enabled, allows
remote attackers to cause a denial of service (assertion failure and
daemon exit) via a crafted DNS request that triggers improper error
handling.

Comment 1 Vincent Danen 2011-05-31 21:34:50 UTC

Created unbound tracking bugs for this issue

Affects: fedora-all [bug 709526]
Affects: epel-5 [bug 709527]
Affects: epel-6 [bug 709528]

Comment 2 Vincent Danen 2011-06-01 04:35:50 UTC

This was patched in Fedora 14 and 15 (1.4.8-2):

http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060958.html

and also in EPEL 5 and 6 (1.4.4-3).