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Last updated: 10/24/2014 9:29:48 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-2930

Original release date: 09/11/2007
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

The (1) NSID_SHUFFLE_ONLY and (2) NSID_USE_POOL PRNG algorithms in ISC BIND 8 before 8.4.7-P1 generate predictable DNS query identifiers when sending outgoing queries such as NOTIFY messages when answering questions as a resolver, which allows remote attackers to poison DNS caches via unknown vectors. NOTE: this issue is different from CVE-2007-2926.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/12/2007)
Not vulnerable. This issue did not affect the versions of bind as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2007/43/022954-01.pdf
US-CERT Vulnerability Note: CERT-VN
Name: VU#927905
Type: Patch Information
External Source: SECUNIA
Name: 27696
External Source: SECUNIA
Name: 27459
External Source: HP
Name: HPSBUX02289
External Source: BUGTRAQ
Name: 20070827 BIND 8 EOL and BIND 8 DNS Cache Poisoning (Amit Klein, Trusteer)
External Source: BID
Name: 25459
External Source: VUPEN
Name: ADV-2007-2991
External Source: SECTRACK
Name: 1018615
External Source: SUNALERT
Name: 103063
US-CERT Vulnerability Note: OVAL
Name: oval:org.mitre.oval:def:2154
Type: Tool Signature
External Source: SECUNIA
Name: 27433
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2007-448.htm
External Source: CONFIRM
Name: http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3975
External Source: BUGTRAQ
Name: 20071006 Re: BIND 8 EOL and BIND 8 DNS Cache Poisoning (Amit Klein, Trusteer)
External Source: SECUNIA
Name: 26629
External Source: VUPEN
Name: ADV-2007-3936
External Source: VUPEN
Name: ADV-2007-3192
External Source: CONFIRM
Name: http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=653968
External Source: SUNALERT
Name: 200859
External Source: SECUNIA
Name: 27465
External Source: VUPEN
Name: ADV-2007-3668
External Source: CIAC
Name: R-333
Type: Patch Information
External Source: VUPEN
Name: ADV-2007-3639
External Source: BUGTRAQ
Name: 20071001 Re: BIND 8 EOL and BIND 8 DNS Cache Poisoning (Amit Klein, Trusteer)
External Source: HP
Name: SSRT071461
External Source: CONFIRM
Name: http://www.isc.org/index.pl?/sw/bind/bind8-eol.php
Type: Patch Information
External Source: MISC
Name: http://www.trusteer.com/docs/bind8dns.html
External Source: SECUNIA
Name: 26858

References to Check Content

Identifier: oval:org.mitre.oval:def:2154
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

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