A note on these insights.
The findings outlined in this blog post were drawn from the condensed results of a Malcore scan. To review the exhaustive findings of Malcore’s static analysis of Expedia’s mobile app APK, click the button below.
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Discovered Trackers
Facebook Share
MixPanel
Bolts
AppsFlyer
CleverTap
Google Firebase Analytics
Facebook Analytics
Facebook Flipper
Google Tag Manager
Facebook Login
Facebook Notifications
Google CrashLytics
High severity warnings from code analysis
App creates temp file. Sensitive information should never be written into a temp file.
The App uses an insecure Random Number Generator.
App uses SQLite Database and execute raw SQL query. Untrusted user input in raw SQL queries can cause SQL Injection. Also sensitive information should be encrypted and written to the database.
Insecure Implementation of SSL. Trusting all the certificates or accepting self signed certificates is a critical Security Hole. This application is vulnerable to MITM attacks.
Files may contain hardcoded sensitive information like usernames, passwords, keys etc.
App can read/write to External Storage. Any App can read data written to External Storage.
This App download files using Android Download Manager.
App can read/write to External Storage. Any App can read data written to External Storage.
Suspicious severity warnings from code analysis
Application attempts to discover build version of device.
Dangerous Labelled permissions from Android
Android Dangerous labelled permissions as Dangerous from this library https://developer.android.com/reference/android/Manifest.permission.
Name: ACCESS_FINE_LOCATION
Description: Access fine location sources, such as the Global Positioning System on the phone, where available. Malicious applications can use this to determine where you are and may consume additional battery power.
Name: CAMERA
Description: Allows application to take pictures and videos with the camera. This allows the application to collect images that the camera is seeing at any time.
Name: ACCESS_NETWORK_STATE
Description: Allows an application to view the status of all networks.
Name: ACCESS_COARSE_LOCATION
Description: Access coarse location sources, such as the mobile network database, to determine an approximate phone location, where available. Malicious applications can use this to determine approximately where you are.
Name: WAKE_LOCK
Description: Allows an application to prevent the phone from going to sleep.
Name: BLUETOOTH
Description: Allows an application to view configuration of the local Bluetooth phone and to make and accept connections with paired devices.
Name: RECORD_AUDIO
Description: Allows application to access the audio record path.
Name: MODIFY_AUDIO_SETTINGS
Description: Allows application to modify global audio settings, such as volume and routing.
Name: NFC
Description: Allows an application to communicate with Near-Field Communication (NFC) tags, cards and readers.
To view how these results compare within industry see our analysis:
To view how these scores are created visit our transparency post where we published a description of our phone application threat scoring algorithm.