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Date: Tue, 15 Mar 2011 13:36:31 +0100 From: Patrick McHardy <kaber@...sh.net> To: Vasiliy Kulikov <segoon@...nwall.com> CC: linux-kernel@...r.kernel.org, security@...nel.org, "David S. Miller" <davem@...emloft.net>, Alexey Kuznetsov <kuznet@....inr.ac.ru>, James Morris <jmorris@...ei.org>, Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>, netfilter-devel@...r.kernel.org, netfilter@...r.kernel.org, coreteam@...filter.org, netdev@...r.kernel.org Subject: Re: [PATCH] ipv4: netfilter: ip_tables: fix infoleak to userspace On 10.03.2011 19:12, Vasiliy Kulikov wrote: > Structures ipt_replace, compat_ipt_replace, and xt_get_revision are > copied from userspace. Fields of these structs that are > zero-terminated strings are not checked. When they are used as argument > to a format string containing "%s" in request_module(), some sensitive > information is leaked to userspace via argument of spawned modprobe > process. > > The first and the third bugs were introduced before the git epoch; the > second was introduced in 2722971c (v2.6.17-rc1). To trigger the bug > one should have CAP_NET_ADMIN. Applied, thanks. -- 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
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