CVE-2023-29725
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk29th percentile - higher than 29% of all known CVEs
Summary
The BT21 x BTS Wallpaper app 12 for Android allows unauthorized apps to request permission to insert data into the user preferences database. Injecting malicious image URLs causes memory overload and app crashes.
Risk Assessment
An attacker can perform a persistent denial of service (DoS) by repeatedly crashing the app, making it unusable.
Recommendation
Immediately uninstall BT21 x BTS Wallpaper 12 and replace it with a safer alternative. The vendor should implement input validation and access controls on the database.
Original NVD description (English source)
The BT21 x BTS Wallpaper app 12 for Android allows unauthorized applications to actively request permission to insert data into the database that records information about a user's personal preferences and will be loaded into memory to be read and used when the application is opened. By injecting data, the attacker can force the application to load malicious image URLs and display them in the UI. As the amount of data increases, it will eventually cause the application to trigger an OOM error and crash, resulting in a persistent denial of service attack.