National Vulnerability Database (NVD) National Vulnerability Database (CVE-2007-2930)

Mission and Overview

NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).

Resource Status

NVD contains:

CVE Vulnerabilities: 38426
Checklists: 128
US-CERT Alerts: 179
US-CERT Vuln Notes: 2345
OVAL Queries: 2517
CPE Names: 17819

Last updated: Tue Aug 25 10:15:06 EDT 2009

CVE Publication rate: 17.23

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Workload Index

Vulnerability Workload Index: 10.22

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NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

NIST Security Configuration Checklists - CSD

National Cyber-Alert System

Vulnerability Summary for CVE-2007-2930

Original release date:09/12/2007

Last revised:12/23/2008

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 Statments (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.

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US-CERT Vulnerability Note: VU#927905

Name: VU#927905

Type: Patch Information

Hyperlink:http://www.kb.cert.org/vuls/id/927905

External Source: CONFIRM

Name: http://www.isc.org/index.pl?/sw/bind/bind8-eol.php

Type: Patch Information

Hyperlink:http://www.isc.org/index.pl?/sw/bind/bind8-eol.php

External Source: CIAC

Name: R-333

Type: Patch Information

Hyperlink:http://www.ciac.org/ciac/bulletins/r-333.shtml