AppNana - Free Gift Cards - Dangerous filesystem permissions, WebView code execution vulnerabilities

Name

Vendor

Link

Store

Version

• MEDIUM
SD-card access

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

Runtime command execution

Function 'Runtime.getRuntime().exec()' is used, please check where variables are come from.

Dynamic Code Loading

Code for 'DexClassLoader' could be tampered.

WebView JavaScript enabled

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

WebView files access

Control of WebView context allows to access local files.

• NOTICE
Unsafe deleting

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

Possible privilege escalation

This app is looking for root tools.

Native code usage

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

External URLs

Were do they point?

Suspicious files

Are you sure these files should be here?

• CRITICAL
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.

References