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| author | Vitaly Chikunov <vt@altlinux.org> | 2019-10-15 19:22:45 +0300 |
|---|---|---|
| committer | Vitaly Chikunov <vt@altlinux.org> | 2019-10-15 19:36:15 +0300 |
| commit | a57bcd50c280fd2c48fd28de93dd94023ebdc980 (patch) | |
| tree | 86167b56f68bac5feda5b9d706380e486dc19855 /gost_ec_keyx.c | |
| parent | 7f55249334f0dd265a3c2579812cbcec6c946944 (diff) | |
| download | gost-engine-a57bcd50c280fd2c48fd28de93dd94023ebdc980.zip gost-engine-a57bcd50c280fd2c48fd28de93dd94023ebdc980.tar.gz gost-engine-a57bcd50c280fd2c48fd28de93dd94023ebdc980.tar.bz2 | |
gost_ec_keyx: Fix CID 253282 Dereference null return value
`param' is used unconditionally in pkey_GOST_ECcp_encrypt() so we can
unconditionally check (vs in any particular `if' branch) for it's being
non-NULL. This is similar to how pkey_GOST_ECcp_decrypt() works with
`param'.
Closes #174.
Diffstat (limited to 'gost_ec_keyx.c')
| -rw-r--r-- | gost_ec_keyx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gost_ec_keyx.c b/gost_ec_keyx.c index fa068ae..963cd8a 100644 --- a/gost_ec_keyx.c +++ b/gost_ec_keyx.c @@ -263,6 +263,8 @@ static int pkey_GOST_ECcp_encrypt(EVP_PKEY_CTX *pctx, unsigned char *out, return 0; } } + if (!param) + goto err; /* Check for private key in the peer_key of context */ if (sec_key) { key_is_ephemeral = 0; |