#VU29578 Exposed dangerous method or function in Mercari - CVE-2020-5604

 

#VU29578 Exposed dangerous method or function in Mercari - CVE-2020-5604

Published: July 8, 2020 / Updated: July 15, 2020


Vulnerability identifier: #VU29578
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-5604
CWE-ID: CWE-749
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mercari
Software vendor:
mercari

Description

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 updates from vendor's website.

External links