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

373e472d · Juan Lang · Alexandre Julliard · ed04a730 · 373e472d
Commit 373e472d authored Feb 01, 2012 by Juan Lang Committed by Alexandre Julliard Nov 02, 2012
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rsaenh.c dlls/rsaenh/rsaenh.c +5 -0

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--- 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;