CVE-2008-4099

Severity: medium (CVSS 6.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2008-09-18 · updated 2026-06-16
Weakness: CWE-16

Description

PyDNS (aka python-dns) before 2.3.1-4 in Debian GNU/Linux does not use random source ports or transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447.

Affected products

Debian Python-Dns: through 2.3.1-3; 2.3.0-1, 2.3.0-2, 2.3.0-3, 2.3.0-4, 2.3.0-5, 2.3.0-5.1 (+3)

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=490217
http://packages.debian.org/changelogs/pool/main/p/python-dns/python-dns_2.3.3-1/changelog
http://www.openwall.com/lists/oss-security/2008/09/11/1
http://www.openwall.com/lists/oss-security/2008/09/16/4
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=490217
http://packages.debian.org/changelogs/pool/main/p/python-dns/python-dns_2.3.3-1/changelog
http://www.openwall.com/lists/oss-security/2008/09/11/1
http://www.openwall.com/lists/oss-security/2008/09/16/4

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