kernel_optimize_test/crypto
David Howells cc25b994ac X.509: Fix the time validation [ver #2]
This fixes CVE-2015-5327.  It affects kernels from 4.3-rc1 onwards.

Fix the X.509 time validation to use month number-1 when looking up the
number of days in that month.  Also put the month number validation before
doing the lookup so as not to risk overrunning the array.

This can be tested by doing the following:

cat <<EOF | openssl x509 -outform DER | keyctl padd asymmetric "" @s
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
EOF

If it works, it emit a key ID; if it fails, it should give a bad message
error.

Reported-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
2015-11-12 21:17:15 +11:00
..
asymmetric_keys X.509: Fix the time validation [ver #2] 2015-11-12 21:17:15 +11:00
async_tx
.gitignore
842.c
ablk_helper.c
ablkcipher.c crypto: api - Only abort operations on fatal signal 2015-10-20 21:59:25 +08:00
aead.c
aes_generic.c
af_alg.c
ahash.c crypto: ahash - ensure statesize is non-zero 2015-10-13 22:28:10 +08:00
akcipher.c crypto: akcipher - Don't #include crypto/public_key.h as the contents aren't used 2015-10-20 22:14:01 +08:00
algapi.c crypto: api - Only abort operations on fatal signal 2015-10-20 21:59:25 +08:00
algboss.c
algif_aead.c
algif_hash.c crypto: algif_hash - Only export and import on sockets with data 2015-11-02 17:48:30 +08:00
algif_rng.c
algif_skcipher.c
ansi_cprng.c
anubis.c
api.c crypto: api - Only abort operations on fatal signal 2015-10-20 21:59:25 +08:00
arc4.c
authenc.c
authencesn.c
blkcipher.c
blowfish_common.c
blowfish_generic.c
camellia_generic.c
cast5_generic.c
cast6_generic.c
cast_common.c
cbc.c
ccm.c
chacha20_generic.c
chacha20poly1305.c
chainiv.c
cipher.c
cmac.c
compress.c
crc32.c
crc32c_generic.c
crct10dif_common.c
crct10dif_generic.c
cryptd.c
crypto_null.c
crypto_user.c crypto: api - Only abort operations on fatal signal 2015-10-20 21:59:25 +08:00
crypto_wq.c
ctr.c
cts.c
deflate.c
des_generic.c
drbg.c
ecb.c
echainiv.c
eseqiv.c
fcrypt.c
fips.c
gcm.c
gf128mul.c
ghash-generic.c
hash_info.c
hmac.c
internal.h
jitterentropy-kcapi.c crypto: jitterentropy - remove unnecessary information from a comment 2015-10-14 22:23:16 +08:00
jitterentropy.c
Kconfig crypto: keywrap - enable compilation 2015-10-15 21:05:06 +08:00
keywrap.c crypto: keywrap - add key wrapping block chaining mode 2015-10-15 21:05:04 +08:00
khazad.c
lrw.c
lz4.c
lz4hc.c
lzo.c
Makefile crypto: keywrap - enable compilation 2015-10-15 21:05:06 +08:00
mcryptd.c
md4.c
md5.c
memneq.c
michael_mic.c
pcbc.c
pcompress.c
pcrypt.c
poly1305_generic.c
proc.c
ripemd.h
rmd128.c
rmd160.c
rmd256.c
rmd320.c
rng.c
rsa_helper.c crypto: akcipher - Changes to asymmetric key API 2015-10-14 22:23:16 +08:00
rsa.c crypto: akcipher - Changes to asymmetric key API 2015-10-14 22:23:16 +08:00
rsaprivkey.asn1 crypto: akcipher - Changes to asymmetric key API 2015-10-14 22:23:16 +08:00
rsapubkey.asn1 crypto: akcipher - Changes to asymmetric key API 2015-10-14 22:23:16 +08:00
salsa20_generic.c
scatterwalk.c
seed.c
seqiv.c
serpent_generic.c
sha1_generic.c
sha256_generic.c
sha512_generic.c
shash.c
skcipher.c crypto: skcipher - blkcipher and ablkcipher should it be static 2015-10-01 21:56:57 +08:00
tcrypt.c crypto: tcrypt - avoid mapping from module image addresses 2015-09-21 22:00:36 +08:00
tcrypt.h
tea.c
testmgr.c crypto: keywrap - add testmgr support 2015-10-15 21:05:08 +08:00
testmgr.h crypto: keywrap - add testmgr support 2015-10-15 21:05:08 +08:00
tgr192.c
twofish_common.c
twofish_generic.c
vmac.c
wp512.c
xcbc.c
xor.c
xts.c
zlib.c