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freifunkist-firmware/package/libs/cyassl/patches/200-SSL_accept-handle-hello...

13 lines
545 B

--- 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;