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Canon PIXMA MX722 Printer Wireless Password Disclosure

Canon PIXMA MX722 Printer Wireless Password Disclosure
Posted Mar 28, 2014
Authored by Taylor Hornby

Canon PIXMA MX722 printer suffers from a WiFi password disclosure vulnerability.

tags | exploit, info disclosure
SHA-256 | 053f0b5c3da36eac0eb319318f27ed23717cee605d73853ff649d554743a60d9

Canon PIXMA MX722 Printer Wireless Password Disclosure

Change Mirror Download
Affects: Canon PIXMA MX722 Printer (and probably other Canon printers).

After typing my WPA2 WiFi password into the printer (through the
built-in hardware keypad), it exposes the cleartext password to the LAN
through an admin page that isn't password protected:

https://twitter.com/DefuseSec/status/419910112442982401/photo/1

You can enable password protection of that page, but:

1) There is no password protection by default. It silently exposes your
password, and you'll never know unless you go looking for it.

2) There's no need to embed the actual password in the HTML form anyway.
They could have used placeholder text instead of the real password.

Regards,
--
Taylor Hornby


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