Wallbreak

Wallbreak Download as APK This app demonstrates two high severity permanent denial-of-service vulnerabilities in Android's WallpaperManagerService that I discovered: CVE-2021-39670 and CVE-2021-39690. After running either exploit, the device will keep repeatedly crashing and rebooting. Write-up...

CVE-2021-39690

In setDisplayPadding of WallpaperManagerService.java, there is a possible way to cause a persistent DoS due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product:...

CVE-2021-39690

CVE-2021-39690 affects Android 12, where the vulnerability lies in setDisplayPadding within WallpaperManagerService.java. The issue permits a persistent Denial of Service (DoS) due to improper input validation, with local attack vector and no user interaction required. Exploitation status is not ...