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5c1a6c |
diff -up openssl-1.0.1e/crypto/asn1/x_x509.c.use-after-free openssl-1.0.1e/crypto/asn1/x_x509.c
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5c1a6c |
--- openssl-1.0.1e/crypto/asn1/x_x509.c.use-after-free 2013-02-11 16:26:04.000000000 +0100
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5c1a6c |
+++ openssl-1.0.1e/crypto/asn1/x_x509.c 2015-06-11 11:14:52.581856349 +0200
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5c1a6c |
@@ -170,8 +170,14 @@ X509 *d2i_X509_AUX(X509 **a, const unsig
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5c1a6c |
{
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5c1a6c |
const unsigned char *q;
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5c1a6c |
X509 *ret;
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5c1a6c |
+ int freeret = 0;
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5c1a6c |
+
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5c1a6c |
/* Save start position */
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5c1a6c |
q = *pp;
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5c1a6c |
+
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5c1a6c |
+ if(!a || *a == NULL) {
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5c1a6c |
+ freeret = 1;
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5c1a6c |
+ }
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5c1a6c |
ret = d2i_X509(a, pp, length);
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5c1a6c |
/* If certificate unreadable then forget it */
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if(!ret) return NULL;
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5c1a6c |
@@ -181,7 +187,11 @@ X509 *d2i_X509_AUX(X509 **a, const unsig
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5c1a6c |
if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;
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5c1a6c |
return ret;
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5c1a6c |
err:
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5c1a6c |
- X509_free(ret);
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5c1a6c |
+ if(freeret) {
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5c1a6c |
+ X509_free(ret);
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5c1a6c |
+ if (a)
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5c1a6c |
+ *a = NULL;
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5c1a6c |
+ }
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5c1a6c |
return NULL;
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5c1a6c |
}
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5c1a6c |
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96beb5 |
diff -up openssl-1.0.1e/crypto/ec/ec_asn1.c.use-after-free openssl-1.0.1e/crypto/ec/ec_asn1.c
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5c1a6c |
--- openssl-1.0.1e/crypto/ec/ec_asn1.c.use-after-free 2013-02-11 16:26:04.000000000 +0100
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5c1a6c |
+++ openssl-1.0.1e/crypto/ec/ec_asn1.c 2015-06-11 11:14:52.581856349 +0200
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96beb5 |
@@ -1140,8 +1140,6 @@ EC_KEY *d2i_ECPrivateKey(EC_KEY **a, con
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96beb5 |
ERR_R_MALLOC_FAILURE);
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96beb5 |
goto err;
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96beb5 |
}
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96beb5 |
- if (a)
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96beb5 |
- *a = ret;
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96beb5 |
}
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96beb5 |
else
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96beb5 |
ret = *a;
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96beb5 |
@@ -1206,11 +1204,13 @@ EC_KEY *d2i_ECPrivateKey(EC_KEY **a, con
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96beb5 |
}
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96beb5 |
}
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96beb5 |
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96beb5 |
+ if (a)
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96beb5 |
+ *a = ret;
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96beb5 |
ok = 1;
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96beb5 |
err:
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96beb5 |
if (!ok)
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96beb5 |
{
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96beb5 |
- if (ret)
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96beb5 |
+ if (ret && (a == NULL || *a != ret))
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96beb5 |
EC_KEY_free(ret);
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96beb5 |
ret = NULL;
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96beb5 |
}
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5c1a6c |
@@ -1358,8 +1358,6 @@ EC_KEY *d2i_ECParameters(EC_KEY **a, con
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5c1a6c |
ECerr(EC_F_D2I_ECPARAMETERS, ERR_R_MALLOC_FAILURE);
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5c1a6c |
return NULL;
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5c1a6c |
}
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5c1a6c |
- if (a)
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5c1a6c |
- *a = ret;
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5c1a6c |
}
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5c1a6c |
else
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5c1a6c |
ret = *a;
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5c1a6c |
@@ -1367,9 +1365,14 @@ EC_KEY *d2i_ECParameters(EC_KEY **a, con
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5c1a6c |
if (!d2i_ECPKParameters(&ret->group, in, len))
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5c1a6c |
{
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5c1a6c |
ECerr(EC_F_D2I_ECPARAMETERS, ERR_R_EC_LIB);
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5c1a6c |
+ if (a == NULL || *a != ret)
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5c1a6c |
+ EC_KEY_free(ret);
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5c1a6c |
return NULL;
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5c1a6c |
}
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5c1a6c |
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5c1a6c |
+ if (a)
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5c1a6c |
+ *a = ret;
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5c1a6c |
+
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5c1a6c |
return ret;
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5c1a6c |
}
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5c1a6c |
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