CVE-2019-15349 Code injection in n/a

High 7.8 Published Updated

A pre-installed Tecno Camon app allows malicious apps to load and execute arbitrary code with system privileges, enabling full device compromise.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-15349?

CVE-2019-15349 is a high-severity code injection vulnerability in n/a, published on 14 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Tecno Camon Android device with a build fingerprint of TECNO/H612/TECNO-ID5a:8.1.0/O11019/F-180828V106: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.

Weakness: CWE-668

Which versions are affected by CVE-2019-15349?

It affects 1 product.

Products include Tecno-Mobile Tecno\/H612\/Tecno-Id5a\.

How do I fix CVE-2019-15349?

No fix has been published for CVE-2019-15349 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2019-15349 being exploited?

There is no known exploitation of CVE-2019-15349 in the wild and no public exploit code.

Sources

Also known as GHSA-78xp-fcvc-xxjx.

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