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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…
- 4.3MediumCVSS base score
- 13.1%Exploitation in 30 daysEPSS · top 3.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- BIND 9 0.3beta - DNS Cache Poisoning (Exploit-DB entry) (opens in a new tab)
EDB-ID 4266remote, multiplepublished 7 Aug 2007Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By certcc
- 55 days later
· 55 days later
Published
- 17 years later
· 17 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 13.1% · top 3.6% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
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)
- EUVD EUVD-2007-2918 (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
[](https://cveledger.app/cve/CVE-2007-2926)Record last updated .