Notice on NAME:WRECK TCP/IP Stack Potential Vulnerabilities
Ricoh Company, Ltd.
Ricoh is aware of the security vulnerabilities known as the “NAME:WRECK” disclosed by the JSOF and ForeScout Research Labs on April 14, 2021. These vulnerabilities could potentially allow a remote hacker to trigger an information leak if a specific TCP/IP stack version is used.
The only affected A4-sized multi-function printers confirmed are as following:
THE POTENTIAL VULNERABILITY SUMMARY
The affected printer has potential vulnerabilities which may cause a device stall, memory destruction, network failure, information leak, and being targets of springboard attack.
This vulnerability will not affect devices connected to the customer’s network if the network is properly configured against external attacks. Ricoh recommends always using best practices for network protection, including:
- When the device is connected to a network, ensure that the network is protected, for example, by a firewall.
- Install the device in a secure network where users restrictions are in place.
Ricoh will release updated firmware on its driver site as it is available. As information is updated, it will be published here.
Until updated firmware is available, please implement the workarounds described here.
For further details on best practices for securely setting up your printer or MFP, please visit here.
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