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Credit:
The information has been provided by Nate Johnson.
The original article can be found at: https://itso.iu.edu/20080229_Canon_MFD_FTP_bounce_attack
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Vulnerable Systems:
* imageRUNNER 2230/2830/3530
* imageRUNNER 3025/3030/3035/3045
* imageRUNNER 2270/2870/3570/4570
* imageRUNNER 5070/5570/6570
* imageRUNNER 5050/5055/5065/5075
* imageRUNNER 8070/85+/9070/105+
* imageRUNNER 7086/7095/7105
* Color imageRUNNER C3220/2620
* Color imageRUNNER C2880/3380
* Color imageRUNNER C2550
* Color imageRUNNER C4080/4580/5180/5185
* Color imageRUNNER LBP5960
* Color imageRUNNER LBP5360
* imageRUNNER C3170
* imageRUNNER C5800/6800
* imageRUNNER C5870U/6870U
* imageRUNNER C5058/5068
* imageRUNNER LBP3460
* imagePRESS C7000VP
* imagePRESS C1
Mitigation/workarounds:
* Disable FTP printing:
o Navigate to Additional Functions -> System Settings -> Network Settings -> TCP/IP Settings -> FTP print.
o Set FTP print to OFF.
* Protect FTP printing with username/password credentials:
o Navigate to Additional Functions -> System Settings -> Network Settings -> TCP/IP Settings -> FTP print.
o Set "user name" and "password" for the FTP print functionality.
Firmware updates that fix the vulnerability are available, but are not user installable. They require a service technician call. If one of the above two workarounds are not sufficient, please contact your local Canon Authorized Service Dealer.
Additionally, best practices suggest that access controls and network firewall policies be put into place to only allow connections from trusted machines and networks.
Vendor response:
The vendor has published an advisory, available here: Digital multifunction printer vulnerability.
CVE Information:
CVE-2008-0303
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