lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date:	Mon,  7 Nov 2011 13:41:45 -0200
From:	Flavio Leitner <fbl@...hat.com>
To:	netdev <netdev@...r.kernel.org>
Cc:	David Miller <davem@...emloft.net>, Flavio Leitner <fbl@...hat.com>
Subject: [PATCH] route: fix ICMP secure_redirects

It should accept ICMP redirects from any host and not
just from gateways when secure_redirects is disabled.

Signed-off-by: Flavio Leitner <fbl@...hat.com>
---
 net/ipv4/route.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 155138d..dd6937ec 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1347,7 +1347,8 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 				continue;
 
 			if (rt->dst.error || rt->dst.dev != dev ||
-			    rt->rt_gateway != old_gw) {
+			    (IN_DEV_SEC_REDIRECTS(in_dev) &&
+			    rt->rt_gateway != old_gw)) {
 				ip_rt_put(rt);
 				continue;
 			}
-- 
1.7.6

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists