CVE-2011-4868

NameCVE-2011-4868
DescriptionThe logging functionality in dhcpd in ISC DHCP before 4.2.3-P2, when using Dynamic DNS (DDNS) and issuing IPv6 addresses, does not properly handle the DHCPv6 lease structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets related to a lease-status update.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
Debian Bugs655746

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
isc-dhcp (PTS)stretch4.3.5-3+deb9u1fixed
stretch (security)4.3.5-3+deb9u2fixed
buster4.4.1-2+deb10u1fixed
bullseye4.4.1-2.3fixed
bookworm4.4.2-P1-1fixed
sid4.4.3-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
isc-dhcpsourcesqueeze(not affected)
isc-dhcpsource(unstable)4.2.2.dfsg.1-5low655746

Notes

[squeeze] - isc-dhcp <not-affected> (vulnerable code not present)

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