import base64
import socket
from k5test import *
realm = K5Realm()
# CVE-2012-1014 KDC dereferences uninitialized pointer
# Affects only krb5-1.10.x.
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
a = (hostname, realm.portbase)
x1 = base64.b16decode('6A5E305BA103020105A2030201')
x2 = base64.b16decode('A44F304DA007030500FEDCBA90A10E30' +
'0CA003020101A10530031B0141A2031B' +
'0141A30E300CA003020101A10530031B' +
'0141A511180F31393934303631303036' +
'303331375AA70302012AA80530030201' +
'01')
for x in range(11, 128):
s.sendto(x1 + bytes([x]) + x2, a)
# Make sure kinit still works.
realm.kinit(realm.user_princ, password('user'))
success('CVE-2012-1014 regression test')