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Add NULL check before accessing PKCS7 encrypted algorithm

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Printing content of an invalid test certificate causes application crash, because of NULL dereference:

user@user:~/openssl$ openssl pkcs12 -in test/recipes/80-test_pkcs12_data/bad2.p12 -passin pass: -info
MAC: sha256, Iteration 2048
MAC length: 32, salt length: 8
PKCS7 Encrypted data: Segmentation fault (core dumped)

Added test cases for pkcs12 bad certificates

Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23632)
This commit is contained in:
Viliam Lejčík 2024-02-19 21:39:05 +01:00 committed by Tomas Mraz
parent 87e747000f
commit a4cbffcd89
2 changed files with 18 additions and 2 deletions
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6
apps/pkcs12.c
View File

@ -901,7 +901,11 @@ int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
} else if (bagnid == NID_pkcs7_encrypted) {
if (options & INFO) {
BIO_printf(bio_err, "PKCS7 Encrypted data: ");
alg_print(p7->d.encrypted->enc_data->algorithm);
if (p7->d.encrypted == NULL) {
BIO_printf(bio_err, "<no data>\n");
} else {
alg_print(p7->d.encrypted->enc_data->algorithm);
}
}
bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
} else {

14
test/recipes/80-test_pkcs12.t
View File

@ -54,7 +54,7 @@ if (eval { require Win32::API; 1; }) {
}
$ENV{OPENSSL_WIN32_UTF8}=1;
plan tests => 28;
plan tests => 31;
# Test different PKCS#12 formats
ok(run(test(["pkcs12_format_test"])), "test pkcs12 formats");
@ -184,11 +184,23 @@ with({ exit_checker => sub { return shift == 1; } },
"-nomacver"])),
"test bad pkcs12 file 1 (nomacver)");
ok(run(app(["openssl", "pkcs12", "-in", $bad1, "-password", "pass:",
"-info"])),
"test bad pkcs12 file 1 (info)");
ok(run(app(["openssl", "pkcs12", "-in", $bad2, "-password", "pass:"])),
"test bad pkcs12 file 2");
ok(run(app(["openssl", "pkcs12", "-in", $bad2, "-password", "pass:",
"-info"])),
"test bad pkcs12 file 2 (info)");
ok(run(app(["openssl", "pkcs12", "-in", $bad3, "-password", "pass:"])),
"test bad pkcs12 file 3");
ok(run(app(["openssl", "pkcs12", "-in", $bad3, "-password", "pass:",
"-info"])),
"test bad pkcs12 file 3 (info)");
});
# Test with Oracle Trusted Key Usage specified in openssl.cnf