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-rw-r--r--lib/vauth/ntlm.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/vauth/ntlm.c b/lib/vauth/ntlm.c
index c3d55ed25..0ad4d972e 100644
--- a/lib/vauth/ntlm.c
+++ b/lib/vauth/ntlm.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -182,10 +182,11 @@ static CURLcode ntlm_decode_type2_target(struct Curl_easy *data,
target_info_len = Curl_read16_le(&buffer[40]);
target_info_offset = Curl_read32_le(&buffer[44]);
if(target_info_len > 0) {
- if(((target_info_offset + target_info_len) > size) ||
+ if((target_info_offset >= size) ||
+ ((target_info_offset + target_info_len) > size) ||
(target_info_offset < 48)) {
infof(data, "NTLM handshake failure (bad type-2 message). "
- "Target Info Offset Len is set incorrect by the peer\n");
+ "Target Info Offset Len is set incorrect by the peer\n");
return CURLE_BAD_CONTENT_ENCODING;
}