SB2020070805 - Remote code execution in Mercari Android app
Published: July 8, 2020
Security Bulletin ID
SB2020070805
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Exposed dangerous method or function (CVE-ID: CVE-2020-5604)
CWE-ID: CWE-749 - Exposed Dangerous Method or Function
CVSSv4: 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
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.