CVE-2008-1447

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 95.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2008-07-08 · updated 2026-06-16
Weakness: CWE-331

Description

The DNS protocol, as implemented in (1) BIND 8 and 9 before 9.5.0-P1, 9.4.2-P1, and 9.3.5-P1; (2) Microsoft DNS in Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP1 and SP2; and other implementations allow remote attackers to spoof DNS traffic via a birthday attack that uses in-bailiwick referrals to conduct cache poisoning against recursive resolvers, related to insufficient randomness of DNS transaction IDs and source ports, aka "DNS Insufficient Socket Entropy Vulnerability" or "the Kaminsky bug."

Affected products

ISC BIND: 4, 8, 9.2.9

References

http://blog.invisibledenizen.org/2008/07/kaminskys-dns-issue-accidentally-leaked.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=494401
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01523520
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01662368
http://lists.apple.com/archives/security-announce//2008/Jul/msg00003.html
http://lists.apple.com/archives/security-announce//2008/Sep/msg00003.html
http://lists.apple.com/archives/security-announce//2008/Sep/msg00004.html
http://lists.apple.com/archives/security-announce//2008/Sep/msg00005.html
http://lists.grok.org.uk/pipermail/full-disclosure/2008-August/064118.html
http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00006.html

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