CVE-2008-3214

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2008-07-18 · updated 2026-06-16
Weakness: CWE-20

Description

dnsmasq 2.25 allows remote attackers to cause a denial of service (daemon crash) by (1) renewing a nonexistent lease or (2) sending a DHCPREQUEST for an IP address that is not in the same network, related to the DHCP NAK response from the daemon.

Affected products

Simon Kelley dnsmasq: 2.25

References

http://freshmeat.net/projects/dnsmasq/?branch_id=1991&release_id=217681
http://www.openwall.com/lists/oss-security/2008/06/30/7
http://www.openwall.com/lists/oss-security/2008/07/01/8
http://www.openwall.com/lists/oss-security/2008/07/02/4
http://www.openwall.com/lists/oss-security/2008/07/03/4
http://www.openwall.com/lists/oss-security/2008/07/08/8
http://www.openwall.com/lists/oss-security/2008/07/12/3
http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/47438
https://exchange.xforce.ibmcloud.com/vulnerabilities/43929
http://freshmeat.net/projects/dnsmasq/?branch_id=1991&release_id=217681
http://www.openwall.com/lists/oss-security/2008/06/30/7

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