CVE-2007-2930

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.

4.3

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 18.64% Top 10%

Vendor Advisory sun.com Vendor Advisory hp.com Vendor Advisory sun.com

Affected: n/a n/a

References

Link	Tags
http://support.avaya.com/elmodocs2/security/ASA-2007-448.htm
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200859-1	vendor advisory
http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=653968
http://www.vupen.com/english/advisories/2007/3936	vdb entry
http://secunia.com/advisories/27433	third party advisory
http://www.securityfocus.com/archive/1/481424/100/0/threaded	mailing list
http://www.vupen.com/english/advisories/2007/3192	vdb entry
http://www.vupen.com/english/advisories/2007/2991	vdb entry
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01283837	vendor advisory
http://secunia.com/advisories/26629	third party advisory
http://www.securitytracker.com/id?1018615	vdb entry
http://www.trusteer.com/docs/bind8dns.html
http://secunia.com/advisories/27459	third party advisory
http://www.securityfocus.com/bid/25459	vdb entry
http://www.vupen.com/english/advisories/2007/3668	vdb entry
http://secunia.com/advisories/27696	third party advisory
http://www.isc.org/index.pl?/sw/bind/bind8-eol.php	patch
http://www.securityfocus.com/archive/1/477870/100/100/threaded	mailing list
http://secunia.com/advisories/27465	third party advisory
http://www.vupen.com/english/advisories/2007/3639	vdb entry
http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2007/43/022954-01.pdf
http://secunia.com/advisories/26858	third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2154	signature vdb entry
http://www.kb.cert.org/vuls/id/927905	patch third party advisory us government resource
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103063-1	vendor advisory
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3975
http://www.ciac.org/ciac/bulletins/r-333.shtml	third party advisory government resource patch
http://www.securityfocus.com/archive/1/481659/100/0/threaded	mailing list

Frequently Asked Questions

What is the severity of CVE-2007-2930?: CVE-2007-2930 has been scored as a medium severity vulnerability.
How to fix CVE-2007-2930?: To fix CVE-2007-2930, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2007-2930 being actively exploited in the wild?: It is possible that CVE-2007-2930 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~19% probability that this vulnerability will be exploited by malicious actors in the next 30 days.