CVE-2010-1321

Name	CVE-2010-1321
Description	The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator's checksum field is missing.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2052-1
Debian Bugs	582261

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
heimdal (PTS)	bullseye (security), bullseye	7.7.0+dfsg-2+deb11u3	fixed
	bookworm	7.8.git20221117.28daf24+dfsg-2	fixed
	sid, trixie	7.8.git20221117.28daf24+dfsg-8	fixed
krb5 (PTS)	bullseye (security), bullseye	1.18.3-6+deb11u5	fixed
	bookworm, bookworm (security)	1.20.1-2+deb12u2	fixed
	sid, trixie	1.21.3-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
heimdal	source	(unstable)	1.4.0~git20100605.dfsg.1-1
krb5	source	lenny	1.6.dfsg.4~beta1-5lenny4		DSA-2052-1
krb5	source	(unstable)	1.8.1+dfsg-3	low		582261
sun-java6	source	lenny	6-22-0lenny
sun-java6	source	(unstable)	6.22-1