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Unscored Public exploit CVE-2007-2926 EUVD-2007-2918GHSA-f6h8-pjrf-562j

ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolver questions or send…

Published Jul 24, 2007 · Updated Aug 7, 2024 · Assigned by certcc

Description

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.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 bind9 1:9.4.1-P1-1 —
Debian 13 bind9 1:9.4.1-P1-1 —
Debian 12 bind9 1:9.4.1-P1-1 —
Debian 4.0 bind9 1:9.3.4-2etch1 DSA-1341-2
Debian 3.1 bind9 1:9.2.4-1sarge3 DSA-1341-2
ReleasePackageFixed inAdvisory
RHEL 5 bind +7 30:9.3.3-9.0.1.el5 RHSA-2007:0740
RHEL 4 bind +4 20:9.2.4-27.0.1.el4 RHSA-2007:0740
RHEL 3 bind +4 20:9.2.4-21.el3 RHSA-2007:0740
RHEL 2 bind +2 9.2.1-9.el2 RHSA-2007:0740
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed bind 9.16.20-1.4 openSUSE-SU-2024:10650-1

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 3

References