Zero-Day Advisory
Fortinet Discovers Sony SmartTV Vulnerabilities
Summary
Fortinet's FortiGuard Labs has discovered a remote code execution in Photo Sharing app on Sony Smart TV.
BRAVIA is a brand of Sony Visual Products Inc. a wholly owned subsidiary of Sony Corporation, and used for its television products. Photo Sharing Plus is unique feature of the BRAVIA TV, it allows customers to connect, view, and save favorite photos, videos, and songs on the TV using devices such as smartphones or tablets.
The vulnerability is due to insufficient validation of user input in the Photo Sharing Plus web application. As a result, it can lead to arbitrary code execution upon successful exploitation when the specifically crafted requests are sent to the service.
Solutions
FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:Sony.SmartTV.Remote.Code.Execution
Released Aug 29, 2018
Users should apply the patch provided by Sony.
Timeline
Fortinet reported the vulnerability to Sony on March 27, 2018.
Sony confirmed the vulnerability on April 3, 2018.
Sony published advisory about the patch on August 30, 2018.