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CVE-2008-3214

Published: 18 July 2008

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.

Notes

AuthorNote
jdstrand
6.06 only. PoC exists and trivially exploitable
openwall reference has reproducer

Priority

Medium

Status

Package Release Status
dnsmasq
Launchpad, Ubuntu, Debian
dapper
Released (2.25-1ubuntu0.1)
feisty Not vulnerable
(2.37-1)
gutsy Not vulnerable
(2.39-1)
hardy Not vulnerable
(2.41-2ubuntu1)
upstream
Released (2.26)
Patches:
debdiff: https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/47438