CVE-2011-1758 Information

Description

The krb5_save_ccname_done function in providers/krb5/krb5_auth.c in System Security Services Daemon (SSSD) 1.5.x before 1.5.7 when automatic ticket renewal and offline authentication are configured uses a pathname string as a password which allows local users to bypass Kerberos authentication by listing the /tmp directory to obtain the pathname.

Reference

http://git.fedorahosted.org/git/?p=sssd.git;a=commit;h=fffdae81651b460f3d2c119c56d5caa09b4de42a http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059532.html http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059619.html http://openwall.com/lists/oss-security/2011/04/29/4 https://bugzilla.redhat.com/show_bug.cgi?id=700867 https://bugzilla.redhat.com/show_bug.cgi?id=700891 https://fedorahosted.org/pipermail/sssd-devel/2011-April/006138.html https://fedorahosted.org/sssd/ticket/856 https://fedorahosted.org/sssd/wiki/Releases/Notes-1.5.7