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Flash Tool 0.6.0 Remote Code Execution

Flash Tool 0.6.0 Remote Code Execution
Posted Mar 4, 2013
Authored by Larry W. Cashdollar

Ruby Gem Flash Tool version 0.6.0 suffers from a remote code execution vulnerability.

tags | exploit, remote, code execution, ruby
MD5 | 2386af62580bfe35897ffe6ea0c7b57b

Flash Tool 0.6.0 Remote Code Execution

Change Mirror Download
Flash Tool 0.6.0 Remote code execution vulnerability

3/1/2013

http://rubygems.org/gems/flash_tool

https://github.com/milboj/flash_tool

If files downloaded contain shell characters it's possible to execute
code as the client user.

ie: flash_file;id>/tmp/o;.swf

./flash_tool-0.6.0/lib/flash_tool.rb

Lines:

26 command = "swfstrings #{file}"
27: output = `#{command} 2>&1`
88: command = "#{command} #{option} #{file}"
89: output = `#{command} 2>&1`

./flash_tool-0.6.0/lib/flash_tool/flash.rb
75: command = "#{command} #{args.join(" ")}"
76: output = `#{command} 2>&1`


@_larry0
Larry W. Cashdollar
http://otiose.dhs.org/advisories/flash_tool-0.6.0-cmd_exec.html

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