From: Mats Klepsland <mats.klepsland@gmail.com>
Date: Wed, 28 Mar 2018 21:26:20 +0000 (+0200)
Subject: app-layer-ssl: remove possibility to overflow HAS_SPACE macro
X-Git-Tag: suricata-4.1.0-rc1~158
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=21078521f868ca10ca1e99c07eb0afb6263dec28;p=thirdparty%2Fsuricata.git

app-layer-ssl: remove possibility to overflow HAS_SPACE macro
---

diff --git a/src/app-layer-ssl.c b/src/app-layer-ssl.c
index df39555de3..fe8830e82d 100644
--- a/src/app-layer-ssl.c
+++ b/src/app-layer-ssl.c
@@ -143,7 +143,7 @@ SslConfig ssl_config;
 
 #define SHA1_STRING_LENGTH             60
 
-#define HAS_SPACE(n) ((uint32_t)((input) + (n) - (initial_input)) > (uint32_t)(input_len)) ?  0 : 1
+#define HAS_SPACE(n) ((uint64_t)(input - initial_input) + (uint64_t)(n) > (uint64_t)(input_len)) ?  0 : 1
 
 static void SSLParserReset(SSLState *ssl_state)
 {