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

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.

Scores

EPSS (exploitation in 30 days)

13.1% · top 3.6% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (65)

• http://support.avaya.com/elmodocs2/security/ASA-2007-389.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.trusteer.com/docs/bind9dns_s.html (opens in a new tab)x_refsource_MISCx_transferred
• 26231 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2007-2932 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• HPSBOV03226 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 26847 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• IZ02218 (opens in a new tab)vendor-advisoryx_refsource_AIXAPARx_transferred
• ADV-2007-2914 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• RHSA-2007:0740 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 26217 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 26509 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• HPSBOV02261 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 26444 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• http://www.securiteam.com/securitynews/5VP0L0UM0A.html (opens in a new tab)x_refsource_MISCx_transferred
• HPSBUX02251 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 26605 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 103018 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
• MDKSA-2007:149 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 26607 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20070727 Re: "BIND 9 DNS Cache Poisoning" by Amit Klein (Trusteer) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 26148 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• FreeBSD-SA-07:07 (opens in a new tab)vendor-advisoryx_refsource_FREEBSDx_transferred
• VU#252735 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
• http://www.trusteer.com/docs/bind9dns.html (opens in a new tab)x_refsource_MISCx_transferred
• 26180 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• GLSA-200708-13 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 26152 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 2007-0023 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
• http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=623903 (opens in a new tab)x_refsource_CONFIRMx_transferred
• SSA:2007-207-01 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• APPLE-SA-2007-11-14 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• http://docs.info.apple.com/article.html?artnum=307041 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20070724 "BIND 9 DNS Cache Poisoning" by Amit Klein (Trusteer) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• http://www.isc.org/index.pl?/sw/bind/bind-security.php (opens in a new tab)x_refsource_CONFIRMx_transferred
• IZ02219 (opens in a new tab)vendor-advisoryx_refsource_AIXAPARx_transferred
• isc-bind-queryid-spoofing(35575) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• ADV-2007-2782 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 26227 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 26261 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2007-3868 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 25037 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 26515 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• USN-491-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 26330 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://issues.rpath.com/browse/RPL-1587 (opens in a new tab)x_refsource_CONFIRMx_transferred
• HPSBTU02256 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 1018442 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• DSA-1341 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 26308 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SA:2007:047 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• ADV-2007-2627 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• oval:org.mitre.oval:def:2226 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 27643 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 26236 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2007-2662 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 26195 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2007-3242 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• oval:org.mitre.oval:def:10293 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• OpenPKG-SA-2007.022 (opens in a new tab)vendor-advisoryx_refsource_OPENPKGx_transferred
• TA07-319A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• 26925 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 26160 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20070724 Re: "BIND 9 DNS Cache Poisoning" by Amit Klein (Trusteer) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20070726 Re: "BIND 9 DNS Cache Poisoning" by Amit Klein (Trusteer) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 26531 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2007-2926](https://trackcve.app/badge/CVE-2007-2926.svg)](https://trackcve.app/cve/CVE-2007-2926)

Record last updated 7 Aug 2024, 13:57 UTC.