You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
1.0 KiB
30 lines
1.0 KiB
4 years ago
|
From 3f9deff30ae6efbfe979043b00cdf649b39793c0 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Tomas Mraz <tmraz@fedoraproject.org>
|
||
|
|
Date: Thu, 24 Sep 2020 09:51:34 +0200
|
||
|
|
Subject: Disable signature verification with totally unsafe hash algorithms
|
||
|
|
|
||
|
|
(was openssl-1.1.1-no-weak-verify.patch)
|
||
|
|
---
|
||
|
|
crypto/asn1/a_verify.c | 5 +++++
|
||
|
|
1 file changed, 5 insertions(+)
|
||
|
|
|
||
|
|
diff --git a/crypto/asn1/a_verify.c b/crypto/asn1/a_verify.c
|
||
|
|
index b7eed914b0..af62f0ef08 100644
|
||
|
|
--- a/crypto/asn1/a_verify.c
|
||
|
|
+++ b/crypto/asn1/a_verify.c
|
||
|
|
@@ -152,6 +152,11 @@ int ASN1_item_verify_ctx(const ASN1_ITEM *it, const X509_ALGOR *alg,
|
||
|
|
ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB);
|
||
|
|
if (ret <= 1)
|
||
|
|
goto err;
|
||
|
|
+ } else if ((mdnid == NID_md5
|
||
|
|
+ && ossl_safe_getenv("OPENSSL_ENABLE_MD5_VERIFY") == NULL) ||
|
||
|
|
+ mdnid == NID_md4 || mdnid == NID_md2 || mdnid == NID_sha) {
|
||
|
|
+ ERR_raise(ERR_LIB_ASN1, ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
|
||
|
|
+ goto err;
|
||
|
|
} else {
|
||
|
|
const EVP_MD *type = EVP_get_digestbynid(mdnid);
|
||
|
|
|
||
|
|
--
|
||
|
|
2.26.2
|
||
|
|
|