Messages in this thread | | | Date | Tue, 15 Mar 2011 13:35:51 +0100 | From | Patrick McHardy <> | Subject | Re: [PATCH] ipv4: netfilter: arp_tables: fix infoleak to userspace |
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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 bug was introduced before the git epoch; the second is > introduced by 6b7d31fc (v2.6.15-rc1); the third is introduced by > 6b7d31fc (v2.6.15-rc1). To trigger the bug one should have > CAP_NET_ADMIN. >
Applied, thanks.
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