[fireball] 48737: [NTOS] - Fix a code typo which led to a security issue when the XOR algorithm for the system cookie might actually yield zero. Now it's going to loop as long as the cookie is 0, a...

Author: fireball
Date: Fri Sep 10 21:13:06 2010
New Revision: 48737

URL: http://svn.reactos.org/svn/reactos?rev=48737&view=rev
Log:
[NTOS]
- Fix a code typo which led to a security issue when the XOR algorithm for the system cookie might actually yield zero. Now it's going to loop as long as the cookie is 0, attempting to generate a non-zero one.

Modified:
    trunk/reactos/ntoskrnl/ps/thread.c

Modified: trunk/reactos/ntoskrnl/ps/thread.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ps/thread.c?rev=48...
==============================================================================
--- trunk/reactos/ntoskrnl/ps/thread.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ps/thread.c [iso-8859-1] Fri Sep 10 21:13:06 2010
@@ -91,7 +91,7 @@
     }

/* Do we have a cookie set yet? */
-    if (!SharedUserData->Cookie)
+    while (!SharedUserData->Cookie)
     {
         LARGE_INTEGER SystemTime;
         ULONG NewCookie;