From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Date: Mon, 14 Sep 2015 19:32:05 +0000 (+0200)
Subject: _gnutls_hex2bin: avoid overrun in the provided buffer
X-Git-Tag: gnutls_3_5_0~672
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1788b331d6a1af2a16d001fa5dc111c4f0a144e2;p=thirdparty%2Fgnutls.git

_gnutls_hex2bin: avoid overrun in the provided buffer
---

diff --git a/lib/str.c b/lib/str.c
index 6b5f49ca89..7a04c78985 100644
--- a/lib/str.c
+++ b/lib/str.c
@@ -508,8 +508,7 @@ _gnutls_hex2bin(const char *hex_data, size_t hex_size, uint8_t * bin_data,
 			i++;
 			continue;
 		}
-
-		if (j > *bin_size) {
+		if (j >= *bin_size) {
 			gnutls_assert();
 			return GNUTLS_E_SHORT_MEMORY_BUFFER;
 		}