CVE-2012-1016

Name	CVE-2012-1016
Description	The pkinit_server_return_padata function in plugins/preauth/pkinit/pkinit_srv.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 attempts to find an agility KDF identifier in inappropriate circumstances, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted Draft 9 request.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	702633

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
krb5 (PTS)	buster	1.17-3+deb10u4	fixed
	buster (security)	1.17-3+deb10u5	fixed
	bullseye, bullseye (security)	1.18.3-6+deb11u3	fixed
	bookworm, sid	1.20.1-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
krb5	source	squeeze	(not affected)
krb5	source	(unstable)	1.10.1+dfsg-4+nmu1			702633

[squeeze] - krb5 <not-affected> (introduced upstream with 3725d22140c23a376dd79b69d130be8e2b91005f, not affecting 1.8.x)