VAR-201701-0483
Vulnerability from variot - Updated: 2025-04-20 23:37An issue was discovered on BLU Advance 5.0 and BLU R1 HD devices with Shanghai Adups software. The com.adups.fota.sysoper app is installed as a system app and cannot be disabled by the user. In the com.adups.fota.sysoper app's AndroidManifest.xml file, it sets the android:sharedUserId attribute to a value of android.uid.system which makes it execute as the system user, which is a very privileged user on the device. The app has an exported broadcast receiver named com.adups.fota.sysoper.WriteCommandReceiver which any app on the device can interact with. Therefore, any app can send a command embedded in an intent which will be executed by the WriteCommandReceiver component which is executing as the system user. The third-party app, utilizing the WriteCommandReceiver, can perform the following actions: call a phone number, factory reset the device, take pictures of the screen, record the screen in a video, install applications, inject events, obtain the Android log, and others. In addition, the com.adups.fota.sysoper.TaskService component will make a request to a URL of http://rebootv5.adsunflower.com/ps/fetch.do where the commands in the String array with a key of sf in the JSON Object sent back by the server will be executed as the system user. Since the connection is made via HTTP, it is vulnerable to a MITM attack. BLU Advance 5.0 and BLU R1 HD Run on device Adups FOTA of com.adups.fota.sysoper The man in the middle attack (MITM attack) As a result, there are vulnerabilities that are unspecified affected.With third-party applications, HTTP Man-in-the-middle attacks over the connection (MITM attack) And may be affected unspecified as a result. Adups Fota is a professional wireless upgrade solution provided by Shanghai Guangsheng Information Technology Co., Ltd. (Adups) for IoT devices (smart cars, wearables, homes, VR, etc.).
Adups has an information disclosure vulnerability. A remote attacker could use the vulnerability to execute arbitrary instructions. Adups Fota is prone to an information-disclosure vulnerability. Remote attackers can exploit this issue to gain access to sensitive information. This may aid in further attacks
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