JVN#05924524: LINE for Windows fails to properly verify downloaded files

The auto update function in LINE for Windows provided by LINE Corporation contains a vulnerability where downloaded files are not properly verified.

Impact

A successful man-in-the-middle attack may result in a specially crafted file prepared by an attacker being downloaded and executed.

Solution

Re-install the software
Re-install the software using the newest available version of the installer according to the information provided by the developer.
This vulnerability has been addressed in LINE for Windows ver 4.8.3.

Products Affected

• LINE for Windows ver 4.8.2.1125 and earlier