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Last updated: 12/21/2014 6:12:41 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2010-0213

Original release date: 07/28/2010
Last revised: 12/07/2010
Source: US-CERT/NIST

Overview

BIND 9.7.1 and 9.7.1-P1, when a recursive validating server has a trust anchor that is configured statically or via DNSSEC Lookaside Validation (DLV), allows remote attackers to cause a denial of service (infinite loop) via a query for an RRSIG record whose answer is not in the cache, which causes BIND to repeatedly send RRSIG queries to the authoritative servers.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.6 (LOW) (AV:N/AC:H/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: CERT-VN
Name: VU#211905
External Source: FEDORA
Name: FEDORA-2010-11344
External Source: BID
Name: 41730
External Source: VUPEN
Name: ADV-2010-1884
Type: Advisory
External Source: SECTRACK
Name: 1024217
External Source: SECUNIA
Name: 40652
Type: Advisory
External Source: SECUNIA
Name: 40709
Type: Advisory
External Source: CONFIRM
Name: http://www.isc.org/software/bind/advisories/cve-2010-0213
Type: Advisory
External Source: SUSE
Name: SUSE-SR:2010:020

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:isc:bind:9.7.1
* cpe:/a:isc:bind:9.7.1-p1

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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