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The Tecno Camon iAir 2 Plus Android device with a build fingerprint of TECNO/H622/TECNO-ID3k:8.1.0/O11019/E-180914V83:user/release-keys contains a pre-installed platform app with a package name of com.lovelyfont.defcontainer (versionCode=7, versionName=7.0.11). This app contains an exported service named com.lovelyfont.manager.service.FunctionService that allows any app co-located on the device to supply the file path to a Dalvik Executable (DEX) file which it will dynamically load within its own process and execute in with its own system privileges. This app cannot be disabled by the user and the attack can be performed by a zero-permission app. Executing commands as the system user can allow a third-party app to video record the user's screen, factory reset the device, obtain the user's notifications, read the logcat logs, inject events in the Graphical User Interface (GUI), and obtains the user's text messages, and more. Executing code as the system user can allow a third-party app to factory reset the device, obtain the user's Wi-Fi passwords, obtain the user's notifications, read the logcat logs, inject events in the GUI, change the default Input Method Editor (IME) (e.g., keyboard) with one contained within the attacking app that contains keylogging functionality, and obtains the user's text messages, and more.

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传音 Tecno Camon iAir 2 Plus 安全漏洞

传音 Tecno Camon iAir 2 Plus是中国传音公司的一款智能手机。 传音 Tecno Camon iAir 2 Plus（build fingerprint：TECNO/H622/TECNO-ID3k:8.1.0/O11019/E-180914V83:user/release-keys）中的com.lovelyfont.defcontainer存在安全漏洞。攻击者可利用该漏洞以系统权限执行代码或命令，进而进行录屏，恢复出厂设置，获取用户Wi-Fi密码，读取logcat日志，向GUI注入事件

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