[openssl-commits] [openssl] master update

[bernd . edlinger]

The branch master has been updated
       via  d288d7fc7beaa1d720a539d6ae27dba2c910ee68 (commit)
      from  31393fd9067a1444fe4b73bfac51ab44d8d344e2 (commit)


- Log -----------------------------------------------------------------
commit d288d7fc7beaa1d720a539d6ae27dba2c910ee68
Author: Bernd Edlinger <bernd.edlin...@hotmail.de>
Date:   Thu Mar 15 12:34:12 2018 +0100

    Fix error handling in b2i_dss and b2i_rsa
    
    Fixes: #5567
    
    Reviewed-by: Rich Salz <rs...@openssl.org>
    (Merged from https://github.com/openssl/openssl/pull/5624)

-----------------------------------------------------------------------

Summary of changes:
 crypto/pem/pvkfmt.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/crypto/pem/pvkfmt.c b/crypto/pem/pvkfmt.c
index ebd6913..d6d8ac9 100644
--- a/crypto/pem/pvkfmt.c
+++ b/crypto/pem/pvkfmt.c
@@ -285,14 +285,17 @@ static EVP_PKEY *b2i_dss(const unsigned char **in,
             goto memerr;
 
         BN_CTX_free(ctx);
+        ctx = NULL;
     }
     if (!DSA_set0_pqg(dsa, pbn, qbn, gbn))
         goto memerr;
     pbn = qbn = gbn = NULL;
     if (!DSA_set0_key(dsa, pub_key, priv_key))
         goto memerr;
+    pub_key = priv_key = NULL;
 
-    EVP_PKEY_set1_DSA(ret, dsa);
+    if (!EVP_PKEY_set1_DSA(ret, dsa))
+        goto memerr;
     DSA_free(dsa);
     *in = p;
     return ret;
@@ -345,12 +348,19 @@ static EVP_PKEY *b2i_rsa(const unsigned char **in,
             goto memerr;
         if (!read_lebn(&pin, nbyte, &d))
             goto memerr;
-        RSA_set0_factors(rsa, p, q);
-        RSA_set0_crt_params(rsa, dmp1, dmq1, iqmp);
+        if (!RSA_set0_factors(rsa, p, q))
+            goto memerr;
+        p = q = NULL;
+        if (!RSA_set0_crt_params(rsa, dmp1, dmq1, iqmp))
+            goto memerr;
+        dmp1 = dmq1 = iqmp = NULL;
     }
-    RSA_set0_key(rsa, n, e, d);
+    if (!RSA_set0_key(rsa, n, e, d))
+        goto memerr;
+    n = e = d = NULL;
 
-    EVP_PKEY_set1_RSA(ret, rsa);
+    if (!EVP_PKEY_set1_RSA(ret, rsa))
+        goto memerr;
     RSA_free(rsa);
     *in = pin;
     return ret;
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