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authorRemi Collet <remi@remirepo.net>2020-09-29 10:09:59 +0200
committerRemi Collet <remi@remirepo.net>2020-09-29 10:09:59 +0200
commite31fb3122983dfe20d0fc9e9dd33aeb80aa4166e (patch)
treee73c3fe840c94337aa5d328656bddf80c9a4f2b6 /php-bug79601.patch
parente8085939d62dc861d4d5a1690fa3b0699a9d69eb (diff)
Core:
Fix #79699 PHP parses encoded cookie names so malicious `__Host-` cookies can be sent CVE-2020-7070 OpenSSL: Fix #79601 Wrong ciphertext/tag in AES-CCM encryption for a 12 bytes IV CVE-2020-7069 Fix bug #78079 openssl_encrypt_ccm.phpt fails with OpenSSL 1.1.1c
Diffstat (limited to 'php-bug79601.patch')
-rw-r--r--php-bug79601.patch217
1 files changed, 217 insertions, 0 deletions
diff --git a/php-bug79601.patch b/php-bug79601.patch
new file mode 100644
index 0000000..b377887
--- /dev/null
+++ b/php-bug79601.patch
@@ -0,0 +1,217 @@
+From 3528f51fe33944ba7bab263a47c49dd1d7dd12e3 Mon Sep 17 00:00:00 2001
+From: Stanislav Malyshev <stas@php.net>
+Date: Sat, 26 Sep 2020 22:08:52 -0700
+Subject: [PATCH] Fix bug #79601 (Wrong ciphertext/tag in AES-CCM encryption
+ for a 12 bytes IV)
+
+(cherry picked from commit 0216630ea2815a5789a24279a1211ac398d4de79)
+---
+ ext/openssl/openssl.c | 10 ++++-----
+ ext/openssl/tests/cipher_tests.inc | 21 +++++++++++++++++
+ ext/openssl/tests/openssl_decrypt_ccm.phpt | 22 +++++++++++-------
+ ext/openssl/tests/openssl_encrypt_ccm.phpt | 26 ++++++++++++++--------
+ 4 files changed, 57 insertions(+), 22 deletions(-)
+
+diff --git a/ext/openssl/openssl.c b/ext/openssl/openssl.c
+index 39b6a20473..21c5367f72 100644
+--- a/ext/openssl/openssl.c
++++ b/ext/openssl/openssl.c
+@@ -6216,11 +6216,6 @@ static int php_openssl_validate_iv(char **piv, size_t *piv_len, size_t iv_requir
+ {
+ char *iv_new;
+
+- /* Best case scenario, user behaved */
+- if (*piv_len == iv_required_len) {
+- return SUCCESS;
+- }
+-
+ if (mode->is_aead) {
+ 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");
+@@ -6229,6 +6224,11 @@ static int php_openssl_validate_iv(char **piv, size_t *piv_len, size_t iv_requir
+ return SUCCESS;
+ }
+
++ /* Best case scenario, user behaved */
++ if (*piv_len == iv_required_len) {
++ return SUCCESS;
++ }
++
+ iv_new = ecalloc(1, iv_required_len + 1);
+
+ if (*piv_len == 0) {
+diff --git a/ext/openssl/tests/cipher_tests.inc b/ext/openssl/tests/cipher_tests.inc
+index b1e46b411e..779bfa8515 100644
+--- a/ext/openssl/tests/cipher_tests.inc
++++ b/ext/openssl/tests/cipher_tests.inc
+@@ -1,5 +1,26 @@
+ <?php
+ $php_openssl_cipher_tests = array(
++ 'aes-128-ccm' => array(
++ array(
++ 'key' => '404142434445464748494a4b4c4d4e4f',
++ 'iv' => '1011121314151617',
++ 'aad' => '000102030405060708090a0b0c0d0e0f',
++ 'tag' => '1fc64fbfaccd',
++ 'pt' => '202122232425262728292a2b2c2d2e2f',
++ 'ct' => 'd2a1f0e051ea5f62081a7792073d593d',
++ ),
++ array(
++ 'key' => '404142434445464748494a4b4c4d4e4f',
++ 'iv' => '101112131415161718191a1b',
++ 'aad' => '000102030405060708090a0b0c0d0e0f' .
++ '10111213',
++ 'tag' => '484392fbc1b09951',
++ 'pt' => '202122232425262728292a2b2c2d2e2f' .
++ '3031323334353637',
++ 'ct' => 'e3b201a9f5b71a7a9b1ceaeccd97e70b' .
++ '6176aad9a4428aa5',
++ ),
++ ),
+ 'aes-256-ccm' => array(
+ array(
+ 'key' => '1bde3251d41a8b5ea013c195ae128b21' .
+diff --git a/ext/openssl/tests/openssl_decrypt_ccm.phpt b/ext/openssl/tests/openssl_decrypt_ccm.phpt
+index 87b6d4b264..479114719a 100644
+--- a/ext/openssl/tests/openssl_decrypt_ccm.phpt
++++ b/ext/openssl/tests/openssl_decrypt_ccm.phpt
+@@ -10,14 +10,16 @@ if (!in_array('aes-256-ccm', openssl_get_cipher_methods()))
+ --FILE--
+ <?php
+ require_once __DIR__ . "/cipher_tests.inc";
+-$method = 'aes-256-ccm';
+-$tests = openssl_get_cipher_tests($method);
++$methods = ['aes-128-ccm', 'aes-256-ccm'];
+
+-foreach ($tests as $idx => $test) {
+- echo "TEST $idx\n";
+- $pt = openssl_decrypt($test['ct'], $method, $test['key'], OPENSSL_RAW_DATA,
+- $test['iv'], $test['tag'], $test['aad']);
+- var_dump($test['pt'] === $pt);
++foreach ($methods as $method) {
++ $tests = openssl_get_cipher_tests($method);
++ foreach ($tests as $idx => $test) {
++ echo "$method - TEST $idx\n";
++ $pt = openssl_decrypt($test['ct'], $method, $test['key'], OPENSSL_RAW_DATA,
++ $test['iv'], $test['tag'], $test['aad']);
++ var_dump($test['pt'] === $pt);
++ }
+ }
+
+ // no IV
+@@ -32,7 +34,11 @@ var_dump(openssl_decrypt($test['ct'], $method, $test['key'], OPENSSL_RAW_DATA,
+
+ ?>
+ --EXPECTF--
+-TEST 0
++aes-128-ccm - TEST 0
++bool(true)
++aes-128-ccm - TEST 1
++bool(true)
++aes-256-ccm - TEST 0
+ bool(true)
+
+ Warning: openssl_decrypt(): Setting of IV length for AEAD mode failed in %s on line %d
+diff --git a/ext/openssl/tests/openssl_encrypt_ccm.phpt b/ext/openssl/tests/openssl_encrypt_ccm.phpt
+index c8610bc96b..64a3b758e2 100644
+--- a/ext/openssl/tests/openssl_encrypt_ccm.phpt
++++ b/ext/openssl/tests/openssl_encrypt_ccm.phpt
+@@ -10,15 +10,17 @@ if (!in_array('aes-256-ccm', openssl_get_cipher_methods()))
+ --FILE--
+ <?php
+ require_once __DIR__ . "/cipher_tests.inc";
+-$method = 'aes-256-ccm';
+-$tests = openssl_get_cipher_tests($method);
++$methods = ['aes-128-ccm', 'aes-256-ccm'];
+
+-foreach ($tests as $idx => $test) {
+- echo "TEST $idx\n";
+- $ct = openssl_encrypt($test['pt'], $method, $test['key'], OPENSSL_RAW_DATA,
+- $test['iv'], $tag, $test['aad'], strlen($test['tag']));
+- var_dump($test['ct'] === $ct);
+- var_dump($test['tag'] === $tag);
++foreach ($methods as $method) {
++ $tests = openssl_get_cipher_tests($method);
++ foreach ($tests as $idx => $test) {
++ echo "$method - TEST $idx\n";
++ $ct = openssl_encrypt($test['pt'], $method, $test['key'], OPENSSL_RAW_DATA,
++ $test['iv'], $tag, $test['aad'], strlen($test['tag']));
++ var_dump($test['ct'] === $ct);
++ var_dump($test['tag'] === $tag);
++ }
+ }
+
+ // Empty IV error
+@@ -29,7 +31,13 @@ var_dump(openssl_encrypt('data', $method, 'password', 0, str_repeat('x', 10), $t
+ var_dump(strlen($tag));
+ ?>
+ --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)
+
+From 74495ac743e1896c3b33c954fcef54b412f87ac9 Mon Sep 17 00:00:00 2001
+From: Jakub Zelenka <bukka@php.net>
+Date: Sun, 2 Jun 2019 19:10:56 +0100
+Subject: [PATCH] Fix bug #78079 (openssl_encrypt_ccm.phpt fails with OpenSSL
+ 1.1.1c)
+
+It also fixes invalid setting of tag length
+
+(cherry picked from commit 2e025794745e09f7d0c72822ad0238bf6d67b2e8)
+---
+ ext/openssl/openssl.c | 5 ++++-
+ ext/openssl/tests/openssl_encrypt_ccm.phpt | 12 +++++++++---
+ 2 files changed, 13 insertions(+), 4 deletions(-)
+
+diff --git a/ext/openssl/openssl.c b/ext/openssl/openssl.c
+index 21c5367f72..72db9941d4 100644
+--- a/ext/openssl/openssl.c
++++ b/ext/openssl/openssl.c
+@@ -6289,7 +6289,10 @@ static int php_openssl_cipher_init(const EVP_CIPHER *cipher_type,
+ return FAILURE;
+ }
+ if (mode->is_single_run_aead && enc) {
+- EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_set_tag_flag, tag_len, NULL);
++ if (!EVP_CIPHER_CTX_ctrl(cipher_ctx, mode->aead_set_tag_flag, tag_len, NULL)) {
++ php_error_docref(NULL, E_WARNING, "Setting tag length for AEAD cipher failed");
++ return FAILURE;
++ }
+ } else if (!enc && tag && tag_len > 0) {
+ if (!mode->is_aead) {
+ php_error_docref(NULL, E_WARNING, "The tag cannot be used because the cipher method does not support AEAD");
+diff --git a/ext/openssl/tests/openssl_encrypt_ccm.phpt b/ext/openssl/tests/openssl_encrypt_ccm.phpt
+index 64a3b758e2..8c4c41f818 100644
+--- a/ext/openssl/tests/openssl_encrypt_ccm.phpt
++++ b/ext/openssl/tests/openssl_encrypt_ccm.phpt
+@@ -26,9 +26,12 @@ foreach ($methods as $method) {
+ // Empty IV error
+ var_dump(openssl_encrypt('data', $method, 'password', 0, NULL, $tag, ''));
+
+-// Test setting different IV length and unlimeted tag
+-var_dump(openssl_encrypt('data', $method, 'password', 0, str_repeat('x', 10), $tag, '', 1024));
++// Test setting different IV length and tag length
++var_dump(openssl_encrypt('data', $method, 'password', 0, str_repeat('x', 10), $tag, '', 14));
+ var_dump(strlen($tag));
++
++// Test setting invalid tag length
++var_dump(openssl_encrypt('data', $method, 'password', 0, str_repeat('x', 16), $tag, '', 1024));
+ ?>
+ --EXPECTF--
+ aes-128-ccm - TEST 0
+@@ -44,4 +47,7 @@ bool(true)
+ Warning: openssl_encrypt(): Setting of IV length for AEAD mode failed in %s on line %d
+ bool(false)
+ string(8) "p/lvgA=="
+-int(1024)
++int(14)
++
++Warning: openssl_encrypt(): Setting of IV length for AEAD mode failed in %s on line %d
++bool(false)