Insights
This blog has been taken from Malcore’s analysis results. The points below are not an exhaustive list. For a full view of Malcore’s static analysis of the Gmail app APK view it on Malcore.
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Discovered Trackers
N/A
High severity warnings from code analysis
The App uses an insecure Random Number Generator.
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 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.
App creates temp file. Sensitive information should never be written into a temp file.
This App has capabilities to prevent against Screenshots from Recent Task History/ Now On Tap etc.
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: CHANGE_NETWORK_STATE
Description: Allows an application to change the state of network connectivity.
Name: USE_CREDENTIALS
Description: Allows an application to request authentication tokens.
Name: READ_CALENDAR
Description: Allows an application to read all of the calendar events stored on your phone. Malicious applications can use this to send your calendar events to other people.
Name: READ_EXTERNAL_STORAGE
Description: Allows an application to read from SD Card.
Name: WRITE_SYNC_SETTINGS
Description: Allows an application to modify the sync settings, such as whether sync is enabled for Contacts.
Name: BLUETOOTH
Description: Allows an application to view configuration of the local Bluetooth phone and to make and accept connections with paired devices.
Name: WRITE_CALENDAR
Description: Allows an application to add or change the events on your calendar, which may send emails to guests. Malicious applications can use this to erase or modify your calendar events or to send emails to guests.
Name: MANAGE_ACCOUNTS
Description: Allows an application to perform operations like adding and removing accounts and deleting their password.
Name: ACCESS_NETWORK_STATE
Description: Allows an application to view the status of all networks.
Name: WRITE_EXTERNAL_STORAGE
Description: Allows an application to write to the SD card.
Name: WRITE_CONTACTS
Description: Allows an application to modify the contact (address) data stored on your phone. Malicious applications can use this to erase or modify your contact data.
Name: AUTHENTICATE_ACCOUNTS
Description: Allows an application to use the account authenticator capabilities of the Account Manager, including creating accounts as well as obtaining and setting their passwords.
Name: CALL_PHONE
Description: Allows the application to call phone numbers without your intervention. Malicious applications may cause unexpected calls on your phone bill. Note that this does not allow the application to call emergency numbers.
Name: READ_PHONE_STATE
Description: Allows the application to access the phone features of the device. An application with this permission can determine the phone number and serial number of this phone, whether a call is active, the number that call is connected to and so on.
Name: READ_PROFILE
Description: Allows an application to read the user's personal profile data.
Name: SUBSCRIBED_FEEDS_WRITE
Description: Allows an application to modify your currently synced feeds. This could allow a malicious application to change your synced feeds.
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: WAKE_LOCK
Description: Allows an application to prevent the phone from going to sleep.
Name: RECORD_AUDIO
Description: Allows application to access the audio record path.
Name: READ_CONTACTS
Description: Allows an application to read all of the contact (address) data stored on your phone. Malicious applications can use this to send your data to other people.
Name: MODIFY_AUDIO_SETTINGS
Description: Allows application to modify global audio settings, such as volume and routing.
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.