MX-M364N, MX-565N (serv.man113). CCE-1317 OPEN SSL VULNERABILITY FIRMWARE RELEASE FOR FIELD SUPPORT VERSION - Sharp Copying Equipment Technical Bulletin (repair manual). Page 2

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                                              Sharp Electronics (UK) Ltd., Document Systems Support 
 
 
 
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Required Operation after Updating the Firmware 
 
    Whether the MFP had already been attacked or not is not clear, since the private key of the MFP or   
 
    admin/user passwords can be stolen without any trace in such a case. To avoid information leak   
 
    using the stolen private key or illegal access using the stolen admin/user passwords, the following   
 
    operations are required: 
 
    1. Change admin and user passwords 
 
        Please enforce users to manage the new passwords properly and not to forget them. 
 
    2. Reissue SSL server certificate (not required for Neo MFP and Neo Printer) 
 
        The MFP SSL server certificate that was used before updating the firmware shall be revoked and   
 
        reissued. 
 
        When SSL certificate was used by default settings: Enter [Security Settings]-[SSL   
 
        Settings]-[Certificate Creation] from System Settings, enter appropriate information and click 
 
       
“Submit”. 
 
        When CA-signed SSL certificate was introduced: Enter [Security Settings]-[SSL Settings]-[Make of 
 
        Certificate Signing Request(CSR)] from System Settings, enter appropriate information and click   
 
       
“Execute”. Then send the created CSR to the CA. The CA signs a new certificate and sends it   
 
        back.    Install the signed certificate from [Security Settings]-[SSL Settings]-[Installation of   
 
        Certificate]. Some major CAs offer free reissue of a certificate. 
 
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