Security: Avoid NULL structure pointer member dereference
commit1a6a6e462dc2ac6111f9e02c6852ddec4849b887
authorViktor Dukhovni <viktor@twosigma.com>
Tue, 5 Dec 2017 23:49:50 +0000 (5 18:49 -0500)
committerViktor Dukhovni <viktor@twosigma.com>
Tue, 5 Dec 2017 23:49:50 +0000 (5 18:49 -0500)
tree23a16a3c9285a201932e6a6807da142b722b818f
parentabee4b3f6851914d47740a1d96beafd6cc0ee9bf
Security: Avoid NULL structure pointer member dereference

This can happen in the error path when processing malformed AS
requests with a NULL client name.  Bug originally introduced on
Fri Feb 13 09:26:01 2015 +0100 in commit:

    a873e21d7c06f22943a90a41dc733ae76799390d

    kdc: base _kdc_fast_mk_error() on krb5_mk_error_ext()

Original patch by Jeffrey Altman <jaltman@secure-endpoints.com>
kdc/kerberos5.c