From 59053968e756e9063c512fba59717c32621e3f1a Mon Sep 17 00:00:00 2001
From: Pavel Kopyl
Date: Fri, 3 Nov 2017 22:18:35 +0300
Subject: [PATCH] do_body: fix heap-use-after-free.
The memory pointed to by the 'push' is freed by the
X509_NAME_ENTRY_free() in do_body(). The second time
it is referenced to (indirectly) in certify_cert:X509_REQ_free().
Reviewed-by: Rich Salz
Reviewed-by: Matt Caswell
(Merged from https://github.com/openssl/openssl/pull/4698)
---
apps/ca.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/apps/ca.c b/apps/ca.c
index 26c077858f..2819fead40 100644
--- a/apps/ca.c
+++ b/apps/ca.c
@@ -1556,7 +1556,6 @@ static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509,
if (push != NULL) {
if (!X509_NAME_add_entry(subject, push, -1, 0)) {
- X509_NAME_ENTRY_free(push);
BIO_printf(bio_err, "Memory allocation failure\n");
goto end;
}
--
2.25.1