JVNDB-2008-000023

Sony mylo COM-2 does not verify server SSL certificate

Sony mylo COM-2 contains a vulnerability where it does not verify the server certificate when connecting to a server via SSL/TLS.

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.

Hiromitsu Takagi reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendor under Information Security Early Warning Partnership.

Sony Corporation

• 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)

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.

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

Sony Corporation

• Sony : mylo (Japanese)

1. Improper Authentication(CWE-287) [NVD Evaluation]

1. CVE-2008-1938

1. JVN : JVN#76788395
2. National Vulnerability Database (NVD) : CVE-2008-1938
3. Secunia Advisory : SA29928
4. SecurityFocus : 28905
5. ISS X-Force Database : 41971

• [2008/05/21]
    Web page published