diff options
| author | Darshan Sen <raisinten@gmail.com> | 2022-01-14 16:22:41 +0530 |
|---|---|---|
| committer | Tomas Mraz <tomas@openssl.org> | 2022-01-26 17:15:52 +0100 |
| commit | 59ccb72cd5cec3b4e312853621e12a68dacdbc7e (patch) | |
| tree | f4066fb24a4b966c4fe1c21ff87af794320b0e60 /test | |
| parent | 814999cb44135fd197945693a7c00cf0af784206 (diff) | |
Fix invalid malloc failures in PEM_write_bio_PKCS8PrivateKey()
When `PEM_write_bio_PKCS8PrivateKey()` was passed an empty passphrase
string, `OPENSSL_memdup()` was incorrectly getting used for 0 bytes size
allocation, which resulted in malloc failures.
Fixes: https://github.com/openssl/openssl/issues/17506
Signed-off-by: Darshan Sen <raisinten@gmail.com>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17507)
Diffstat (limited to 'test')
| -rw-r--r-- | test/evp_pkey_provided_test.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/evp_pkey_provided_test.c b/test/evp_pkey_provided_test.c index cf4d8e1294..b4b53f67fc 100644 --- a/test/evp_pkey_provided_test.c +++ b/test/evp_pkey_provided_test.c @@ -128,6 +128,16 @@ static int compare_with_file(const char *alg, int type, BIO *membio) return ret; } +static int pass_cb(char *buf, int size, int rwflag, void *u) +{ + return 0; +} + +static int pass_cb_error(char *buf, int size, int rwflag, void *u) +{ + return -1; +} + static int test_print_key_using_pem(const char *alg, const EVP_PKEY *pk) { BIO *membio = BIO_new(BIO_s_mem()); @@ -140,6 +150,21 @@ static int test_print_key_using_pem(const char *alg, const EVP_PKEY *pk) !TEST_true(PEM_write_bio_PrivateKey(bio_out, pk, EVP_aes_256_cbc(), (unsigned char *)"pass", 4, NULL, NULL)) + /* Output zero-length passphrase encrypted private key in PEM form */ + || !TEST_true(PEM_write_bio_PKCS8PrivateKey(bio_out, pk, + EVP_aes_256_cbc(), + (const char *)~0, 0, + NULL, NULL)) + || !TEST_true(PEM_write_bio_PKCS8PrivateKey(bio_out, pk, + EVP_aes_256_cbc(), + NULL, 0, NULL, "")) + || !TEST_true(PEM_write_bio_PKCS8PrivateKey(bio_out, pk, + EVP_aes_256_cbc(), + NULL, 0, pass_cb, NULL)) + || !TEST_false(PEM_write_bio_PKCS8PrivateKey(bio_out, pk, + EVP_aes_256_cbc(), + NULL, 0, pass_cb_error, + NULL)) /* Private key in text form */ || !TEST_int_gt(EVP_PKEY_print_private(membio, pk, 0, NULL), 0) || !TEST_true(compare_with_file(alg, PRIV_TEXT, membio)) |