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Vulnerability Details : CVE-2007-2926

ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolver questions or sending NOTIFY messages to slave name servers, which makes it easier for remote attackers to guess the next query id and perform DNS cache poisoning.
Publish Date : 2007-07-24 Last Update Date : 2015-03-16
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

Updates are available for Red Hat Enterprise Linux 2.1, 3, 4, and 5 to correct this issue:
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate 2007-07-19 2007-07-23
If you are a vendor and you have additional data which can be automatically imported into our database, please contact admin @

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2007-2926 unix
DSA-1341-2 bind9 - DNS cache poisoning vulnerability oval:org.mitre.oval:def:20473 unix
ELSA-2007:0740: bind security update (Moderate) oval:org.mitre.oval:def:21703 unix
ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolve... oval:org.mitre.oval:def:10293 unix
RHSA-2007:0740: bind security update (Moderate) oval:com.redhat.rhsa:def:20070740 unix
Security Vulnerability in Solaris 10 BIND: Susceptible to Cache Poisoning Attack oval:org.mitre.oval:def:2226 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2007-2926

# Product Type Vendor Product Version Update Edition Language
1 Application ISC Bind 9.0 Version Details Vulnerabilities
2 Application ISC Bind 9.1 Version Details Vulnerabilities
3 Application ISC Bind 9.2 Version Details Vulnerabilities
4 Application ISC Bind 9.3 Version Details Vulnerabilities
5 Application ISC Bind 9.4 Version Details Vulnerabilities
6 Application ISC Bind 9.5 Version Details Vulnerabilities
7 Application ISC Bind 9.5.0a2 Version Details Vulnerabilities
8 Application ISC Bind 9.5.0a3 Version Details Vulnerabilities
9 Application ISC Bind 9.5.0a4 Version Details Vulnerabilities
10 Application ISC Bind 9.5.0a5 Version Details Vulnerabilities
11 Application ISC Bind 9.5.0a1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
ISC Bind 11

- References For CVE-2007-2926
APPLE APPLE-SA-2007-11-14
SGI 20070801-01-P CONFIRM
GENTOO GLSA-200708-13
SUSE SUSE-SA:2007:047
REDHAT RHSA-2007:0740
OPENPKG OpenPKG-SA-2007.022
BUGTRAQ 20070724 Re: "BIND 9 DNS Cache Poisoning" by Amit Klein (Trusteer)
BUGTRAQ 20070727 Re: "BIND 9 DNS Cache Poisoning" by Amit Klein (Trusteer)
BUGTRAQ 20070724 "BIND 9 DNS Cache Poisoning" by Amit Klein (Trusteer)
BID 25037 ISC BIND 9 Remote Cache Poisoning Vulnerability Release Date:2014-12-17
BUGTRAQ 20070726 Re: "BIND 9 DNS Cache Poisoning" by Amit Klein (Trusteer)
BID 26444 Apple Mac OS X v10.4.11 2007-008 Multiple Security Vulnerabilities Release Date:2008-03-18
SECTRACK 1018442
TRUSTIX 2007-0023
SLACKWARE SSA:2007-207-01
VUPEN ADV-2007-3868
VUPEN ADV-2007-3242
VUPEN ADV-2007-2932
VUPEN ADV-2007-2914
VUPEN ADV-2007-2782
VUPEN ADV-2007-2662
XF isc-bind-queryid-spoofing(35575) CONFIRM
HP SSRT101004
VUPEN ADV-2007-2627
CERT-VN VU#252735
CERT TA07-319A

- Metasploit Modules Related To CVE-2007-2926

There are not any metasploit modules related to this vulnerability (Please visit for more information)

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