[openssl-commits] [openssl] OpenSSL_1_0_2-stable update

[Matt Caswell]

The branch OpenSSL_1_0_2-stable has been updated
       via  f3f8e72f494b36d05e0d04fe418f92b692fbb261 (commit)
      from  69a61c26f2148d04c9d529c67064a9c36dacf69b (commit)


- Log -----------------------------------------------------------------
commit f3f8e72f494b36d05e0d04fe418f92b692fbb261
Author: Matt Caswell <matt at openssl.org>
Date:   Thu Mar 22 14:33:05 2018 +0000

    Don't write out a bad OID
    
    If we don't have OID data for an object then we should fail if we
    are asked to encode the ASN.1 for that OID.
    
    Fixes #5723
    
    Reviewed-by: Rich Salz <rsalz at openssl.org>
    (Merged from https://github.com/openssl/openssl/pull/5725)
    
    (cherry picked from commit 53c9818e970fc0c22d77e19fda3b3e6f6c9e759d)

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

Summary of changes:
 crypto/asn1/tasn_enc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crypto/asn1/tasn_enc.c b/crypto/asn1/tasn_enc.c
index 081a9d5..1f534df 100644
--- a/crypto/asn1/tasn_enc.c
+++ b/crypto/asn1/tasn_enc.c
@@ -588,6 +588,8 @@ int asn1_ex_i2c(ASN1_VALUE **pval, unsigned char *cout, int *putype,
         otmp = (ASN1_OBJECT *)*pval;
         cont = otmp->data;
         len = otmp->length;
+        if (cont == NULL || len == 0)
+            return -1;
         break;
 
     case V_ASN1_NULL: