CVE-2010-0433

Name	CVE-2010-0433
Description	The kssl_keytab_is_available function in ssl/kssl.c in OpenSSL before 0.9.8n, when Kerberos is enabled but Kerberos configuration files cannot be opened, does not check a certain return value, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via SSL cipher negotiation, as demonstrated by a chroot installation of Dovecot or stunnel without Kerberos configuration files inside the chroot.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openssl (PTS)	bullseye	1.1.1w-0+deb11u1	fixed
	bullseye (security)	1.1.1w-0+deb11u4	fixed
	bookworm	3.0.17-1~deb12u2	fixed
	bookworm (security)	3.0.17-1~deb12u3	fixed
	trixie	3.5.1-1	fixed
	trixie (security)	3.5.1-1+deb13u1	fixed
	forky, sid	3.5.4-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openssl	source	(unstable)	(not affected)

- openssl <not-affected> (Kerberos support not enabled)
https://www.openwall.com/lists/oss-security/2010/03/03/5