Validate NTLM challenge fields.

This is to avoid reading from bad locations, and possibly conveying
confidential data. Credit to Nico Golde.

1 files changed, 2 insertions, 2 deletions

diff --git a/ntlm.h b/ntlm.h
index 14696335..ad835201 100644
--- a/ntlm.h
+++ b/ntlm.h
@@ -32,8 +32,8 @@ uint32        msgType;
 tSmbStrHeader    uDomain;
 uint32        flags;
 uint8         challengeData[8];
-uint8         reserved[8];
-tSmbStrHeader    emptyString;
+uint32        context[2];
+tSmbStrHeader    targetInfo;
 uint8         buffer[1024];
 uint32        bufIndex;
 }tSmbNtlmAuthChallenge;