FlashVPN Free VPN Proxy - Customized SSL, Dangerous filesystem permissions, WebView SSL handling enabled vulnerabilities

Name

Vendor

Link

Store

Version

• CRITICAL
WebView SSL handling enabled

WebView with 'handler.proceed();' allows connection to continue even if the SSL certificate validation is failed.

Customized SSL

Check certificate validation. Do not create or redefine X509Certificate class methods by yourself, if you don't understand risks. Use the existing API.

WebView code execution

WebView 'addJavascriptInterface' could be used to control the host app with JavaScript bindings. Remote Code Execution (RCE) is possible.

Dangerous filesystem permissions

Files created with these methods could be worldwide readable.

• NOTICE
Unsafe deleting

All items deleted with 'file.delete()' could be recovered.

Suspicious files

Are you sure these files should be here?

External URLs

Were do they point?

Native code usage

Native code (.so) usage 'System.loadLibrary();' is found.

• MEDIUM
Dynamic Code Loading

Code for 'DexClassLoader' could be tampered.

Exported components

Other applications could access the interfaces.

WebView files access

Control of WebView context allows to access local files.

SD-card access

SD-cards and other external storages have 'worldwide read' policy.

WebView JavaScript enabled

WebView 'setJavaScriptEnabled(true)' could be exploited during cross-site scripting attacks.

References