Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Isc | Bind | <= 8.4.7 |
References
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01283837
- http://secunia.com/advisories/26629
- http://secunia.com/advisories/26858
- http://secunia.com/advisories/27433
- http://secunia.com/advisories/27459
- http://secunia.com/advisories/27465
- http://secunia.com/advisories/27696
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-103063-1
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-200859-1
- http://support.avaya.com/elmodocs2/security/ASA-2007-448.htm
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=653968
- http://www.ciac.org/ciac/bulletins/r-333.shtmlPatch
- http://www.isc.org/index.pl?/sw/bind/bind8-eol.phpPatch
- http://www.kb.cert.org/vuls/id/927905PatchUS Government Resource
- http://www.securityfocus.com/archive/1/477870/100/100/threaded
FAQ
What is CVE-2007-2930?
CVE-2007-2930 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 answ...
How severe is CVE-2007-2930?
CVE-2007-2930 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2007-2930?
Check the references section above for vendor advisories and patch information. Affected products include: Isc Bind.