54 lines
1.4 KiB
Diff
54 lines
1.4 KiB
Diff
commit 075039740c6981d9b9a90ab3a8a6879d3014a987
|
|
Author: Matt Caswell <matt@openssl.org>
|
|
Date: Tue Dec 13 15:02:26 2022 +0000
|
|
|
|
Add a test for CVE-2022-4450
|
|
|
|
Call PEM_read_bio_ex() and expect a failure. There should be no dangling
|
|
ptrs and therefore there should be no double free if we free the ptrs on
|
|
error.
|
|
|
|
diff --git a/test/pemtest.c b/test/pemtest.c
|
|
index 3203d976be..edeb0a1205 100644
|
|
--- a/test/pemtest.c
|
|
+++ b/test/pemtest.c
|
|
@@ -83,9 +83,39 @@ static int test_invalid(void)
|
|
return 1;
|
|
}
|
|
|
|
+static int test_empty_payload(void)
|
|
+{
|
|
+ BIO *b;
|
|
+ static char *emptypay =
|
|
+ "-----BEGIN CERTIFICATE-----\n"
|
|
+ "-\n" /* Base64 EOF character */
|
|
+ "-----END CERTIFICATE-----";
|
|
+ char *name = NULL, *header = NULL;
|
|
+ unsigned char *data = NULL;
|
|
+ long len;
|
|
+ int ret = 0;
|
|
+
|
|
+ b = BIO_new_mem_buf(emptypay, strlen(emptypay));
|
|
+ if (!TEST_ptr(b))
|
|
+ return 0;
|
|
+
|
|
+ /* Expected to fail because the payload is empty */
|
|
+ if (!TEST_false(PEM_read_bio_ex(b, &name, &header, &data, &len, 0)))
|
|
+ goto err;
|
|
+
|
|
+ ret = 1;
|
|
+ err:
|
|
+ OPENSSL_free(name);
|
|
+ OPENSSL_free(header);
|
|
+ OPENSSL_free(data);
|
|
+ BIO_free(b);
|
|
+ return ret;
|
|
+}
|
|
+
|
|
int setup_tests(void)
|
|
{
|
|
ADD_ALL_TESTS(test_b64, OSSL_NELEM(b64_pem_data));
|
|
ADD_TEST(test_invalid);
|
|
+ ADD_TEST(test_empty_payload);
|
|
return 1;
|
|
}
|