CVE-2023-29725: The BT21 x BTS Wallpaper app 12 for Android allows unauthorized applications to actively request permission...
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.
Security readout for executives and security teams
This issue affects an Android BT21 x BTS Wallpaper app version 12. Another local app may cause it to store attacker-controlled preference data, making the wallpaper app show unwanted image URLs or repeatedly crash. The business impact is mainly mobile app availability and user trust, not confirmed data theft. Exposure appears limited to Android devices with the affected wallpaper app version 12 installed. The CVE affected-product metadata is incomplete, listing vendor and product as n/a, so teams should validate by package and app inventory rather than name alone. Prioritize this as a mobile fleet hygiene issue, not an enterprise-wide emergency. Act quickly if the app is present on managed or executive devices, especially where sideloading is permitted. The main risk is persistent app disruption and user-facing malicious imagery. Mitigation focus: Inventory Android devices for the referenced wallpaper app and version 12.; Remove the app where business use is unnecessary or untrusted.; Check vendor or app-store guidance for updates before allowing continued use..
Prepared
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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