freebsd-src/crypto/openssl/fuzz/asn1parse.c
Cy Schubert e0c4386e7e OpenSSL: Vendor import of OpenSSL 3.0.13
* Fixed PKCS12 Decoding crashes ([CVE-2024-0727])
 * Fixed Excessive time spent checking invalid RSA public keys
   ([CVE-2023-6237])
 * Fixed POLY1305 MAC implementation corrupting vector registers on
   PowerPC CPUs which support PowerISA 2.07 ([CVE-2023-6129])
 * Fix excessive time spent in DH check / generation with large Q
   parameter value ([CVE-2023-5678])

Release notes can be found at
            https://www.openssl.org/news/openssl-3.0-notes.html.

Approved by:	emaste
MFC after:	3 days

Merge commit '9dd13e84fa8eca8f3462bd55485aa3da8c37f54a'
2024-02-02 13:21:36 -08:00

46 lines
1.1 KiB
C

/*
* Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* https://www.openssl.org/source/license.html
* or in the file LICENSE in the source distribution.
*/
/*
* Fuzz the parser used for dumping ASN.1 using "openssl asn1parse".
*/
#include <stdio.h>
#include <openssl/asn1.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/err.h>
#include "fuzzer.h"
static BIO *bio_out;
int FuzzerInitialize(int *argc, char ***argv)
{
bio_out = BIO_new(BIO_s_null()); /* output will be ignored */
if (bio_out == NULL)
return 0;
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
ERR_clear_error();
CRYPTO_free_ex_index(0, -1);
return 1;
}
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
{
(void)ASN1_parse_dump(bio_out, buf, len, 0, 0);
ERR_clear_error();
return 0;
}
void FuzzerCleanup(void)
{
BIO_free(bio_out);
}