Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
  Update NEWS & UPGRADING
  Do not decode cookie names anymore
  Fix bug #79601 (Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV)
This commit is contained in:
Stanislav Malyshev 2020-09-28 21:39:34 -07:00
commit a9e4321846
8 changed files with 95 additions and 28 deletions

View file

@ -6441,11 +6441,6 @@ static int php_openssl_validate_iv(char **piv, size_t *piv_len, size_t iv_requir
{ {
char *iv_new; char *iv_new;
/* Best case scenario, user behaved */
if (*piv_len == iv_required_len) {
return SUCCESS;
}
if (mode->is_aead) { if (mode->is_aead) {
if (EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_ivlen_flag, *piv_len, NULL) != 1) { if (EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_ivlen_flag, *piv_len, NULL) != 1) {
php_error_docref(NULL, E_WARNING, "Setting of IV length for AEAD mode failed"); php_error_docref(NULL, E_WARNING, "Setting of IV length for AEAD mode failed");
@ -6454,6 +6449,11 @@ static int php_openssl_validate_iv(char **piv, size_t *piv_len, size_t iv_requir
return SUCCESS; return SUCCESS;
} }
/* Best case scenario, user behaved */
if (*piv_len == iv_required_len) {
return SUCCESS;
}
iv_new = ecalloc(1, iv_required_len + 1); iv_new = ecalloc(1, iv_required_len + 1);
if (*piv_len == 0) { if (*piv_len == 0) {

View file

@ -1,5 +1,26 @@
<?php <?php
$php_openssl_cipher_tests = array( $php_openssl_cipher_tests = array(
'aes-128-ccm' => array(
array(
'key' => '404142434445464748494a4b4c4d4e4f',
'iv' => '1011121314151617',
'aad' => '000102030405060708090a0b0c0d0e0f',
'tag' => '1fc64fbfaccd',
'pt' => '202122232425262728292a2b2c2d2e2f',
'ct' => 'd2a1f0e051ea5f62081a7792073d593d',
),
array(
'key' => '404142434445464748494a4b4c4d4e4f',
'iv' => '101112131415161718191a1b',
'aad' => '000102030405060708090a0b0c0d0e0f' .
'10111213',
'tag' => '484392fbc1b09951',
'pt' => '202122232425262728292a2b2c2d2e2f' .
'3031323334353637',
'ct' => 'e3b201a9f5b71a7a9b1ceaeccd97e70b' .
'6176aad9a4428aa5',
),
),
'aes-256-ccm' => array( 'aes-256-ccm' => array(
array( array(
'key' => '1bde3251d41a8b5ea013c195ae128b21' . 'key' => '1bde3251d41a8b5ea013c195ae128b21' .

View file

@ -10,14 +10,16 @@ if (!in_array('aes-256-ccm', openssl_get_cipher_methods()))
--FILE-- --FILE--
<?php <?php
require_once __DIR__ . "/cipher_tests.inc"; require_once __DIR__ . "/cipher_tests.inc";
$method = 'aes-256-ccm'; $methods = ['aes-128-ccm', 'aes-256-ccm'];
$tests = openssl_get_cipher_tests($method);
foreach ($tests as $idx => $test) { foreach ($methods as $method) {
echo "TEST $idx\n"; $tests = openssl_get_cipher_tests($method);
$pt = openssl_decrypt($test['ct'], $method, $test['key'], OPENSSL_RAW_DATA, foreach ($tests as $idx => $test) {
$test['iv'], $test['tag'], $test['aad']); echo "$method - TEST $idx\n";
var_dump($test['pt'] === $pt); $pt = openssl_decrypt($test['ct'], $method, $test['key'], OPENSSL_RAW_DATA,
$test['iv'], $test['tag'], $test['aad']);
var_dump($test['pt'] === $pt);
}
} }
// no IV // no IV
@ -32,7 +34,11 @@ var_dump(openssl_decrypt($test['ct'], $method, $test['key'], OPENSSL_RAW_DATA,
?> ?>
--EXPECTF-- --EXPECTF--
TEST 0 aes-128-ccm - TEST 0
bool(true)
aes-128-ccm - TEST 1
bool(true)
aes-256-ccm - TEST 0
bool(true) bool(true)
Warning: openssl_decrypt(): Setting of IV length for AEAD mode failed in %s on line %d Warning: openssl_decrypt(): Setting of IV length for AEAD mode failed in %s on line %d

View file

@ -10,15 +10,17 @@ if (!in_array('aes-256-ccm', openssl_get_cipher_methods()))
--FILE-- --FILE--
<?php <?php
require_once __DIR__ . "/cipher_tests.inc"; require_once __DIR__ . "/cipher_tests.inc";
$method = 'aes-256-ccm'; $methods = ['aes-128-ccm', 'aes-256-ccm'];
$tests = openssl_get_cipher_tests($method);
foreach ($tests as $idx => $test) { foreach ($methods as $method) {
echo "TEST $idx\n"; $tests = openssl_get_cipher_tests($method);
$ct = openssl_encrypt($test['pt'], $method, $test['key'], OPENSSL_RAW_DATA, foreach ($tests as $idx => $test) {
$test['iv'], $tag, $test['aad'], strlen($test['tag'])); echo "$method - TEST $idx\n";
var_dump($test['ct'] === $ct); $ct = openssl_encrypt($test['pt'], $method, $test['key'], OPENSSL_RAW_DATA,
var_dump($test['tag'] === $tag); $test['iv'], $tag, $test['aad'], strlen($test['tag']));
var_dump($test['ct'] === $ct);
var_dump($test['tag'] === $tag);
}
} }
// Empty IV error // Empty IV error
@ -32,7 +34,13 @@ var_dump(strlen($tag));
var_dump(openssl_encrypt('data', $method, 'password', 0, str_repeat('x', 16), $tag, '', 1024)); var_dump(openssl_encrypt('data', $method, 'password', 0, str_repeat('x', 16), $tag, '', 1024));
?> ?>
--EXPECTF-- --EXPECTF--
TEST 0 aes-128-ccm - TEST 0
bool(true)
bool(true)
aes-128-ccm - TEST 1
bool(true)
bool(true)
aes-256-ccm - TEST 0
bool(true) bool(true)
bool(true) bool(true)

View file

@ -501,7 +501,9 @@ SAPI_API SAPI_TREAT_DATA_FUNC(php_default_treat_data)
size_t new_val_len; size_t new_val_len;
*val++ = '\0'; *val++ = '\0';
php_url_decode(var, strlen(var)); if (arg != PARSE_COOKIE) {
php_url_decode(var, strlen(var));
}
val_len = php_url_decode(val, strlen(val)); val_len = php_url_decode(val, strlen(val));
val = estrndup(val, val_len); val = estrndup(val, val_len);
if (sapi_module.input_filter(arg, var, &val, val_len, &new_val_len)) { if (sapi_module.input_filter(arg, var, &val, val_len, &new_val_len)) {
@ -512,7 +514,9 @@ SAPI_API SAPI_TREAT_DATA_FUNC(php_default_treat_data)
size_t val_len; size_t val_len;
size_t new_val_len; size_t new_val_len;
php_url_decode(var, strlen(var)); if (arg != PARSE_COOKIE) {
php_url_decode(var, strlen(var));
}
val_len = 0; val_len = 0;
val = estrndup("", val_len); val = estrndup("", val_len);
if (sapi_module.input_filter(arg, var, &val, val_len, &new_val_len)) { if (sapi_module.input_filter(arg, var, &val, val_len, &new_val_len)) {

View file

@ -10,7 +10,7 @@ cookie1=val1 ; cookie2=val2%20; cookie3=val 3.; cookie 4= value 4 %3B; cookie1=
var_dump($_COOKIE); var_dump($_COOKIE);
?> ?>
--EXPECT-- --EXPECT--
array(10) { array(12) {
["cookie1"]=> ["cookie1"]=>
string(6) "val1 " string(6) "val1 "
["cookie2"]=> ["cookie2"]=>
@ -19,11 +19,15 @@ array(10) {
string(6) "val 3." string(6) "val 3."
["cookie_4"]=> ["cookie_4"]=>
string(10) " value 4 ;" string(10) " value 4 ;"
["%20cookie1"]=>
string(6) "ignore"
["+cookie1"]=>
string(6) "ignore"
["cookie__5"]=> ["cookie__5"]=>
string(7) " value" string(7) " value"
["cookie_6"]=> ["cookie%206"]=>
string(3) "þæö" string(3) "þæö"
["cookie_7"]=> ["cookie+7"]=>
string(0) "" string(0) ""
["$cookie_8"]=> ["$cookie_8"]=>
string(0) "" string(0) ""

View file

@ -10,9 +10,11 @@ c o o k i e=value; c o o k i e= v a l u e ;;c%20o+o k+i%20e=v;name="value","valu
var_dump($_COOKIE); var_dump($_COOKIE);
?> ?>
--EXPECT-- --EXPECT--
array(3) { array(4) {
["c_o_o_k_i_e"]=> ["c_o_o_k_i_e"]=>
string(5) "value" string(5) "value"
["c%20o+o_k+i%20e"]=>
string(1) "v"
["name"]=> ["name"]=>
string(24) ""value","value",UEhQIQ==" string(24) ""value","value",UEhQIQ=="
["UEhQIQ"]=> ["UEhQIQ"]=>

22
tests/basic/bug79699.phpt Normal file
View file

@ -0,0 +1,22 @@
--TEST--
Cookies Security Bug
--INI--
max_input_vars=1000
filter.default=unsafe_raw
--COOKIE--
__%48ost-evil=evil; __Host-evil=good; %66oo=baz;foo=bar
--FILE--
<?php
var_dump($_COOKIE);
?>
--EXPECT--
array(4) {
["__%48ost-evil"]=>
string(4) "evil"
["__Host-evil"]=>
string(4) "good"
["%66oo"]=>
string(3) "baz"
["foo"]=>
string(3) "bar"
}