openssh/backport-upstream_CVE-2025-32728.patch
hdliu bbdf6195f7 Fix CVE-2025-32728
Signed-off-by: hdliu <dev03108@linx-info.com>
2025-04-14 13:08:06 +08:00

40 lines
1.3 KiB
Diff

From a14795025b80225ca3741073c48783604189b663 Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Mon, 14 Apr 2025 12:48:57 +0800
Subject: [PATCH] Fix logic error in DisableForwarding option. This option
was documented as disabling X11 and agent forwarding but it failed to do so.
Spotted by Tim Rice.
OpenBSD-Commit-ID: fffc89195968f7eedd2fc57f0b1f1ef3193f5ed1
---
session.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/session.c b/session.c
index 1b67393..e968c22 100644
--- a/session.c
+++ b/session.c
@@ -2345,7 +2345,8 @@ session_auth_agent_req(struct ssh *ssh, Session *s)
if ((r = sshpkt_get_end(ssh)) != 0)
sshpkt_fatal(ssh, r, "%s: parse packet", __func__);
if (!auth_opts->permit_agent_forwarding_flag ||
- !options.allow_agent_forwarding) {
+ !options.allow_agent_forwarding ||
+ options.disable_forwarding) {
debug_f("agent forwarding disabled");
return 0;
}
@@ -2761,7 +2762,7 @@ session_setup_x11fwd(struct ssh *ssh, Session *s)
ssh_packet_send_debug(ssh, "X11 forwarding disabled by key options.");
return 0;
}
- if (!options.x11_forwarding) {
+ if (!options.x11_forwarding || options.disable_forwarding) {
debug("X11 forwarding disabled in server configuration file.");
return 0;
}
--
2.33.0