3 files changed, 12 insertions, 3 deletions
diff --git a/Cryptlib/OpenSSL/crypto/rsa/rsa_gen.c b/Cryptlib/OpenSSL/crypto/rsa/rsa_gen.c
index 7f7dca39..082c8da2 100644
--- a/Cryptlib/OpenSSL/crypto/rsa/rsa_gen.c
+++ b/Cryptlib/OpenSSL/crypto/rsa/rsa_gen.c
@@ -142,7 +142,8 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,
     if (!rsa->iqmp && ((rsa->iqmp = BN_new()) == NULL))
         goto err;
 
-    BN_copy(rsa->e, e_value);
+    if (BN_copy(rsa->e, e_value) == NULL)
+        goto err;
 
     /* generate p and q */
     for (;;) {
diff --git a/Cryptlib/OpenSSL/crypto/rsa/rsa_oaep.c b/Cryptlib/OpenSSL/crypto/rsa/rsa_oaep.c
index 9c2a943c..19d28c6f 100644
--- a/Cryptlib/OpenSSL/crypto/rsa/rsa_oaep.c
+++ b/Cryptlib/OpenSSL/crypto/rsa/rsa_oaep.c
@@ -89,17 +89,21 @@ int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
     }
 
     if (PKCS1_MGF1(dbmask, emlen - mdlen, seed, mdlen, mgf1md) < 0)
-        return 0;
+        goto err;
     for (i = 0; i < emlen - mdlen; i++)
         db[i] ^= dbmask[i];
 
     if (PKCS1_MGF1(seedmask, mdlen, db, emlen - mdlen, mgf1md) < 0)
-        return 0;
+        goto err;
     for (i = 0; i < mdlen; i++)
         seed[i] ^= seedmask[i];
 
     OPENSSL_free(dbmask);
     return 1;
+
+ err:
+    OPENSSL_free(dbmask);
+    return 0;
 }
 
 int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
diff --git a/Cryptlib/OpenSSL/crypto/rsa/rsa_pmeth.c b/Cryptlib/OpenSSL/crypto/rsa/rsa_pmeth.c
index 94db87a0..ac583bf6 100644
--- a/Cryptlib/OpenSSL/crypto/rsa/rsa_pmeth.c
+++ b/Cryptlib/OpenSSL/crypto/rsa/rsa_pmeth.c
@@ -373,6 +373,10 @@ static int pkey_rsa_verify(EVP_PKEY_CTX *ctx,
         if (rctx->pad_mode == RSA_PKCS1_PADDING)
             return RSA_verify(EVP_MD_type(rctx->md), tbs, tbslen,
                               sig, siglen, rsa);
+        if (tbslen != (size_t)EVP_MD_size(rctx->md)) {
+            RSAerr(RSA_F_PKEY_RSA_VERIFY, RSA_R_INVALID_DIGEST_LENGTH);
+            return -1;
+        }
         if (rctx->pad_mode == RSA_X931_PADDING) {
             if (pkey_rsa_verifyrecover(ctx, NULL, &rslen, sig, siglen) <= 0)
                 return 0;