JVN#76788395 Sony mylo COM-2 does not verify server SSL certificate

Sony mylo COM-2, a mobile terminal equipped with a web browser and media palyer, contains a vulnerability where it does not verify the server certificate when connecting to a server via SSL/TLS.

Impact

Normally, when a client connects to a web server through a SSL/TLS connection, it would verify the server’s certificate and notify the user if the cerificate is found to be invalid. mylo COM-2 does not verify the server certificate when connecting via SSL/TLS. As a result, the user would not recognize an unreliable certificate, and may be directed to phishing sites etc.

Solution

Update the Software
Update to the latest version according to the information provided by the vendor.

Products Affected

• mylo COM-2 system software prior to Ver.1.002 (Japan model)
• mylo COM-2 system software prior to Ver.1.002 (U.S. model)