- prevent buffer overflow

git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@802 c6295689-39f2-0310-b995-f0e70906c6a9
2002-12-20 14:55:17 +00:00 · 2002-12-20 14:55:17 +00:00 · 4c28f0dad8
parent 34d45b2210
commit 4c28f0dad8
1 changed files with 1 additions and 1 deletions
--- a/src/libopensc/card.c
+++ b/src/libopensc/card.c
@ -167,7 +167,7 @@ static int sc_transceive(struct sc_card *card, struct sc_apdu *apdu)
 	else
 		data_bytes = apdu->resplen = recvsize;
 	if (recvsize > 0) {
-		memcpy(apdu->resp, rbuf, recvsize);
+		memcpy(apdu->resp, rbuf, data_bytes);
 		if (apdu->sensitive)
 			memset(rbuf, 0, recvsize);
 	}