National Cyber Awareness System

Vulnerability Summary for CVE-2011-1922

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#531342

Name: VU#531342

Type: Patch Information

Hyperlink:http://www.kb.cert.org/vuls/id/531342

External Source: CONFIRM

Name: http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt

Type: Advisory; Patch Information

Hyperlink:http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt

External Source: XF

Name: unbound-dns-dos(67645)

Hyperlink:http://xforce.iss.net/xforce/xfdb/67645

External Source: BID

Name: 47986

Hyperlink:http://www.securityfocus.com/bid/47986

External Source: SECUNIA

Name: 44865

Hyperlink:http://secunia.com/advisories/44865

External Source: OSVDB

Name: 72750

Hyperlink:http://osvdb.org/72750

External Source: FEDORA

Name: FEDORA-2011-7555

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061243.html