openwrtv4/package/libs/cyassl/patches/200-SSL_accept-handle-hello-garbage.patch

14 lines
545 B
Diff
Raw Normal View History

--- a/src/cyassl_int.c
+++ b/src/cyassl_int.c
@@ -1588,6 +1588,10 @@
b1 =
ssl->buffers.inputBuffer.buffer[ssl->buffers.inputBuffer.idx++];
ssl->curSize = ((b0 & 0x7f) << 8) | b1;
+
+ /* does not appear to a be a SSLv2 client hello */
+ if ( ssl->buffers.inputBuffer.buffer[ssl->buffers.inputBuffer.idx] != 1 )
+ return UNKNOWN_HANDSHAKE_TYPE;
}
else {
ssl->options.processReply = getRecordLayerHeader;