SB2020070805 - Remote code execution in Mercari Android app



SB2020070805 - Remote code execution in Mercari Android app

Published: July 8, 2020

Security Bulletin ID SB2020070805
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Exposed dangerous method or function (CVE-ID: CVE-2020-5604)

The vulnerability allows a remote attacker to execute arbitrary method of the Java object.

The vuůnerability exists due to inadequate restrictions on "addJavascriptInterface" of WebView class. A remote attacker can perform a man-in-the-middle attack, use Java Reflection API of JavaScript code for on the WebView and execute an arbitrary method of Java object. 


Remediation

Install update from vendor's website.