From 28a08b88ef17286cd163b8472561450a3ec04e48 Mon Sep 17 00:00:00 2001 From: Zheng Ruoqin Date: Tue, 15 Dec 2020 15:22:48 +0800 Subject: php: CVE-2020-7069 Security Advisory References https://nvd.nist.gov/vuln/detail/CVE-2020-7069 https://bugs.php.net/patch-display.php?bug_id=79601&patch=openssl_aes_ccm_iv_fix&revision=latest Signed-off-by: Zheng Ruoqin Signed-off-by: Khem Raj (cherry picked from commit fa80193468745a11bc12d5845f66412a0d62e0e2) Signed-off-by: Armin Kuster (cherry picked from commit 992e09f09a40e7a8d03c7c4b5adf40f821ed3774) Signed-off-by: Armin Kuster --- .../recipes-devtools/php/php/CVE-2020-7069.patch | 158 +++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 meta-oe/recipes-devtools/php/php/CVE-2020-7069.patch (limited to 'meta-oe/recipes-devtools/php/php') diff --git a/meta-oe/recipes-devtools/php/php/CVE-2020-7069.patch b/meta-oe/recipes-devtools/php/php/CVE-2020-7069.patch new file mode 100644 index 0000000000..0cf4d5ed60 --- /dev/null +++ b/meta-oe/recipes-devtools/php/php/CVE-2020-7069.patch @@ -0,0 +1,158 @@ +Subject: Fix bug #79601 (Wrong ciphertext/tag in AES-CCM encryption + for a 12 bytes IV) + +--- + 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 04cb9b0f..fdad2c3b 100644 +--- a/ext/openssl/openssl.c ++++ b/ext/openssl/openssl.c +@@ -6521,11 +6521,6 @@ 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"); +@@ -6534,6 +6529,11 @@ 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 b1e46b41..779bfa85 100644 +--- a/ext/openssl/tests/cipher_tests.inc ++++ b/ext/openssl/tests/cipher_tests.inc +@@ -1,5 +1,26 @@ + 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 a5f01b87..08ef5bb7 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-- + $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 fb5dbbc8..8c4c41f8 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-- + $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'] === $tag); ++ } + } + + // Empty IV error +@@ -32,7 +34,13 @@ var_dump(strlen($tag)); + var_dump(openssl_encrypt('data', $method, 'password', 0, str_repeat('x', 16), $tag, '', 1024)); + ?> + --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) + +-- +2.25.1 + -- cgit 1.2.3-korg