[openssl] OpenSSL_1_1_1-stable update

[tomas at openssl.org]

The branch OpenSSL_1_1_1-stable has been updated
       via  5478387c14e0c22a525e2ec5ed37f6ffad4b7c59 (commit)
      from  869e1424438b3c117d6ef4d3fbf4545cc7dab171 (commit)


- Log -----------------------------------------------------------------
commit 5478387c14e0c22a525e2ec5ed37f6ffad4b7c59
Author: bonniegong <yuanjungong96 at gmail.com>
Date:   Wed Jun 2 15:35:18 2021 +0800

    Check the return value of ASN1_STRING_length
    
    ASN1_STRING_length gets the field 'length' of msg, which
    can be manipulated through a crafted input.
    Add a check to avoid error execution of OPENSSL_malloc().
    
    CLA: trivial
    
    Reviewed-by: Matt Caswell <matt at openssl.org>
    Reviewed-by: Paul Dale <pauli at openssl.org>
    Reviewed-by: Tomas Mraz <tomas at openssl.org>
    (Merged from https://github.com/openssl/openssl/pull/15583)
    
    (cherry picked from commit effb0dcf864110a4595f1a243adb9c1dd09eb516)

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

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

diff --git a/crypto/ts/ts_verify_ctx.c b/crypto/ts/ts_verify_ctx.c
index 1e80e0d370..803fbe44a7 100644
--- a/crypto/ts/ts_verify_ctx.c
+++ b/crypto/ts/ts_verify_ctx.c
@@ -126,6 +126,8 @@ TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx)
         goto err;
     msg = imprint->hashed_msg;
     ret->imprint_len = ASN1_STRING_length(msg);
+    if (ret->imprint_len <= 0)
+        goto err;
     if ((ret->imprint = OPENSSL_malloc(ret->imprint_len)) == NULL)
         goto err;
     memcpy(ret->imprint, ASN1_STRING_get0_data(msg), ret->imprint_len);