Juan Lang : rsaenh: Ensure a PKCS1 data block has at least minimum length.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 373e472db99bda0ec1e9656b3629a3836241b86d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=373e472db99bda0ec1e9656b3629a3836241b86d

Author: Juan Lang <juan.lang at gmail.com>
Date:   Wed Feb  1 10:19:48 2012 -0800

rsaenh: Ensure a PKCS1 data block has at least minimum length.

---

 dlls/rsaenh/rsaenh.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/dlls/rsaenh/rsaenh.c b/dlls/rsaenh/rsaenh.c
index 9d38793..a428cc7 100644
--- a/dlls/rsaenh/rsaenh.c
+++ b/dlls/rsaenh/rsaenh.c
@@ -1697,6 +1697,11 @@ static BOOL unpad_data(CONST BYTE *abData, DWORD dwDataLen, BYTE *abBuffer, DWOR
 {
     DWORD i;
     
+    if (dwDataLen < 3)
+    {
+        SetLastError(NTE_BAD_DATA);
+        return FALSE;
+    }
     for (i=2; i<dwDataLen; i++)
         if (!abData[i])
             break;