Merge pull request #8318 from dgarske/CID444418

Fix for finishedSz checking with TLSv1.3 and `WOLFSSL_HAVE_TLS_UNIQUE` (CID444418)
This commit is contained in:
JacobBarthelmeh
2024-12-24 15:41:25 -07:00
committed by GitHub

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@ -10867,12 +10867,12 @@ int DoTls13Finished(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
}
if (sniff == NO_SNIFF) {
ret = BuildTls13HandshakeHmac(ssl, secret, mac, &finishedSz);
if (finishedSz > WOLFSSL_MAX_8BIT) {
ret = BuildTls13HandshakeHmac(ssl, secret, mac, &finishedSz);
#ifdef WOLFSSL_HAVE_TLS_UNIQUE
if (finishedSz > TLS_FINISHED_SZ_MAX) {
return BUFFER_ERROR;
}
#ifdef WOLFSSL_HAVE_TLS_UNIQUE
if (ssl->options.side == WOLFSSL_CLIENT_END) {
XMEMCPY(ssl->serverFinished, mac, finishedSz);
ssl->serverFinished_len = (byte)finishedSz;