commit dcae78a7a9c0fd83bb26f18e30a19551b132c62f
author k-stachowiak <krzysiek.stachowiak@gmail.com> Thu Jun 28 16:32:54 2018 +0200
committer k-stachowiak <krzysiek.stachowiak@gmail.com> Thu Jun 28 16:32:54 2018 +0200
tree 3d001d237466ac400eafa2bb3e36f3bd05091f8f
parent 470dfbabb9812ac056dd0ace4dcca33241bb3b0c

Make a buffer limit more specific

library/x509_crt.c

diff --git a/library/x509_crt.c b/library/x509_crt.c
index ca8b464..493d633 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -574,7 +574,8 @@
         end_ext_data = *p + len;
 
         /* Get extension ID */
-        if( ( ret = mbedtls_asn1_get_tag( p, end, &extn_oid.len, MBEDTLS_ASN1_OID ) ) != 0 )
+        if( ( ret = mbedtls_asn1_get_tag( p, end_ext_data, &extn_oid.len,
+				  MBEDTLS_ASN1_OID ) ) != 0 )
             return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + ret );
 
 	extn_oid.tag = MBEDTLS_ASN1_OID;