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Microsoft Teams scores 38
Malcore scores Microsoft Teams 38
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 Microsoft Teams App APK view it on Malcore.
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Microsoft Visual Studio App Center Crashes Bugsnag Display Google Firebase Analytics
High severity warnings from code analysis
The App uses an insecure Random Number Generator.
App creates temp file. Sensitive information should never be written into a temp file.
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.
Files may contain hardcoded sensitive information like usernames, passwords, keys etc.
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.
App can read/write to External Storage. Any App can read data written to External Storage.
This App has capabilities to prevent against Screenshots from Recent Task History/ Now On Tap etc.
This App download files using Android Download Manager.
Suspicious severity warnings from code analysis
Application attempts to discover build version of device.
Application attempts to parse CPU information.
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: WRITE_SETTINGS Description: Allows an application to modify the system's settings data. Malicious applications can corrupt your system's configuration.
Name: USE_CREDENTIALS Description: Allows an application to request authentication tokens.
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: BLUETOOTH Description: Allows an application to view configuration of the local Bluetooth phone and to make and accept connections with paired devices.
Name: BLUETOOTH_ADMIN Description: Allows an application to configure the local Bluetooth phone and to discover and pair with remote devices.
Name: NFC Description: Allows an application to communicate with Near-Field Communication (NFC) tags, cards and readers.
Name: READ_SETTINGS Description: Allows applications to read the global setting of the device it is running on.
Name: ACCESS_NETWORK_STATE Description: Allows an application to view the status of all networks.
Name: ACCESS_BACKGROUND_LOCATION Description: Allows an app to access location in the background.
Name: WRITE_EXTERNAL_STORAGE Description: Allows an application to write to the SD card.
Name: MANAGE_ACCOUNTS Description: Allows an application to perform operations like adding and removing accounts and deleting their password.
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: READ_EXTERNAL_STORAGE Description: Allows an application to read from SD Card.
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: 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: SYSTEM_ALERT_WINDOW Description: Allows an application to show system-alert windows. Malicious applications can take over the entire screen of the phone.
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.