CVE-2010-0433

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.

Date published : 2010-03-05

http://www.securityfocus.com/archive/1/516397/100/0/threaded

http://aix.software.ibm.com/aix/efixes/security/openssl_advisory.asc