diff options
Diffstat (limited to 'meta-python/recipes-devtools/python/python3-pycrypto/CVE-2013-7459.patch')
| -rw-r--r-- | meta-python/recipes-devtools/python/python3-pycrypto/CVE-2013-7459.patch | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/meta-python/recipes-devtools/python/python3-pycrypto/CVE-2013-7459.patch b/meta-python/recipes-devtools/python/python3-pycrypto/CVE-2013-7459.patch deleted file mode 100644 index 9006c5c350..0000000000 --- a/meta-python/recipes-devtools/python/python3-pycrypto/CVE-2013-7459.patch +++ /dev/null @@ -1,98 +0,0 @@ -From 8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4 Mon Sep 17 00:00:00 2001 -From: Legrandin <helderijs@gmail.com> -Date: Sun, 22 Dec 2013 22:24:46 +0100 -Subject: [PATCH] Throw exception when IV is used with ECB or CTR - -The IV parameter is currently ignored when initializing -a cipher in ECB or CTR mode. - -For CTR mode, it is confusing: it takes some time to see -that a different parameter is needed (the counter). - -For ECB mode, it is outright dangerous. - -This patch forces an exception to be raised. - -Upstream-Status: Backport -[https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4] - -CVE: CVE-2013-7459 - -Signed-off-by: Yi Zhao <yi.zhao@windriver.com> ---- - lib/Crypto/SelfTest/Cipher/common.py | 31 +++++++++++++++++++++++-------- - src/block_template.c | 11 +++++++++++ - 2 files changed, 34 insertions(+), 8 deletions(-) - -diff --git a/lib/Crypto/SelfTest/Cipher/common.py b/lib/Crypto/SelfTest/Cipher/common.py -index 8bebed9..91ec743 100644 ---- a/lib/Crypto/SelfTest/Cipher/common.py -+++ b/lib/Crypto/SelfTest/Cipher/common.py -@@ -239,19 +239,34 @@ class RoundtripTest(unittest.TestCase): - return """%s .decrypt() output of .encrypt() should not be garbled""" % (self.module_name,) - - def runTest(self): -- for mode in (self.module.MODE_ECB, self.module.MODE_CBC, self.module.MODE_CFB, self.module.MODE_OFB, self.module.MODE_OPENPGP): -+ -+ ## ECB mode -+ mode = self.module.MODE_ECB -+ encryption_cipher = self.module.new(a2b_hex(self.key), mode) -+ ciphertext = encryption_cipher.encrypt(self.plaintext) -+ decryption_cipher = self.module.new(a2b_hex(self.key), mode) -+ decrypted_plaintext = decryption_cipher.decrypt(ciphertext) -+ self.assertEqual(self.plaintext, decrypted_plaintext) -+ -+ ## OPENPGP mode -+ mode = self.module.MODE_OPENPGP -+ encryption_cipher = self.module.new(a2b_hex(self.key), mode, self.iv) -+ eiv_ciphertext = encryption_cipher.encrypt(self.plaintext) -+ eiv = eiv_ciphertext[:self.module.block_size+2] -+ ciphertext = eiv_ciphertext[self.module.block_size+2:] -+ decryption_cipher = self.module.new(a2b_hex(self.key), mode, eiv) -+ decrypted_plaintext = decryption_cipher.decrypt(ciphertext) -+ self.assertEqual(self.plaintext, decrypted_plaintext) -+ -+ ## All other non-AEAD modes (but CTR) -+ for mode in (self.module.MODE_CBC, self.module.MODE_CFB, self.module.MODE_OFB): - encryption_cipher = self.module.new(a2b_hex(self.key), mode, self.iv) - ciphertext = encryption_cipher.encrypt(self.plaintext) -- -- if mode != self.module.MODE_OPENPGP: -- decryption_cipher = self.module.new(a2b_hex(self.key), mode, self.iv) -- else: -- eiv = ciphertext[:self.module.block_size+2] -- ciphertext = ciphertext[self.module.block_size+2:] -- decryption_cipher = self.module.new(a2b_hex(self.key), mode, eiv) -+ decryption_cipher = self.module.new(a2b_hex(self.key), mode, self.iv) - decrypted_plaintext = decryption_cipher.decrypt(ciphertext) - self.assertEqual(self.plaintext, decrypted_plaintext) - -+ - class PGPTest(unittest.TestCase): - def __init__(self, module, params): - unittest.TestCase.__init__(self) -diff --git a/src/block_template.c b/src/block_template.c -index c36b316..8746948 100644 ---- a/src/block_template.c -+++ b/src/block_template.c -@@ -170,6 +170,17 @@ ALGnew(PyObject *self, PyObject *args, PyObject *kwdict) - "Key cannot be the null string"); - return NULL; - } -+ if (IVlen != 0 && mode == MODE_ECB) -+ { -+ PyErr_Format(PyExc_ValueError, "ECB mode does not use IV"); -+ return NULL; -+ } -+ if (IVlen != 0 && mode == MODE_CTR) -+ { -+ PyErr_Format(PyExc_ValueError, -+ "CTR mode needs counter parameter, not IV"); -+ return NULL; -+ } - if (IVlen != BLOCK_SIZE && mode != MODE_ECB && mode != MODE_CTR) - { - PyErr_Format(PyExc_ValueError, --- -2.7.4 - |