diff options
Diffstat (limited to 'source3/libsmb/ntlmssp_parse.c')
| -rw-r--r-- | source3/libsmb/ntlmssp_parse.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/source3/libsmb/ntlmssp_parse.c b/source3/libsmb/ntlmssp_parse.c index 60cb4ab04a..b136dacf5a 100644 --- a/source3/libsmb/ntlmssp_parse.c +++ b/source3/libsmb/ntlmssp_parse.c @@ -226,7 +226,7 @@ BOOL msrpc_parse(const DATA_BLOB *blob, *ps = smb_xstrdup(""); } else { /* make sure its in the right format - be strict */ - if (len1 != len2 || ptr + len1 > blob->length) { + if ((len1 != len2) || (ptr + len1 < ptr) || (ptr + len1 < len1) || (ptr + len1 > blob->length)) { return False; } if (len1 & 1) { @@ -255,7 +255,7 @@ BOOL msrpc_parse(const DATA_BLOB *blob, if (len1 == 0 && len2 == 0) { *ps = smb_xstrdup(""); } else { - if (len1 != len2 || ptr + len1 > blob->length) { + if ((len1 != len2) || (ptr + len1 < ptr) || (ptr + len1 < len1) || (ptr + len1 > blob->length)) { return False; } @@ -280,7 +280,7 @@ BOOL msrpc_parse(const DATA_BLOB *blob, *b = data_blob(NULL, 0); } else { /* make sure its in the right format - be strict */ - if (len1 != len2 || ptr + len1 > blob->length) { + if ((len1 != len2) || (ptr + len1 < ptr) || (ptr + len1 < len1) || (ptr + len1 > blob->length)) { return False; } *b = data_blob(blob->data + ptr, len1); @@ -314,4 +314,3 @@ BOOL msrpc_parse(const DATA_BLOB *blob, return True; } - |