File gnutls-CVE-2020-11501.patch of Package gnutls.18748
From c01011c2d8533dbbbe754e49e256c109cb848d0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20B=C3=BChler?= <stbuehler@web.de>
Date: Fri, 27 Mar 2020 17:17:57 +0100
Subject: [PATCH] dtls client hello: fix zeroed random (fixes #960)
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This broke with bcf4de03 "handshake: treat reply to HRR as a reply to
hello verify request", which failed to "De Morgan" properly.
Signed-off-by: Stefan Bühler <stbuehler@web.de>
---
lib/handshake.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: gnutls-3.6.7/lib/handshake.c
===================================================================
--- gnutls-3.6.7.orig/lib/handshake.c 2020-04-02 10:41:59.591316756 +0200
+++ gnutls-3.6.7/lib/handshake.c 2020-04-02 10:43:41.263818988 +0200
@@ -2221,7 +2221,7 @@ static int send_client_hello(gnutls_sess
/* Generate random data
*/
if (!(session->internals.hsk_flags & HSK_HRR_RECEIVED) &&
- !(IS_DTLS(session) && session->internals.dtls.hsk_hello_verify_requests == 0)) {
+ !(IS_DTLS(session) && session->internals.dtls.hsk_hello_verify_requests != 0)) {
ret = _gnutls_gen_client_random(session);
if (ret < 0) {
gnutls_assert();