Torsten Grote

Possibly incomplete snapshots when an app fails to back up

1

Because of binder space issues with many apps, we need to back up apps in chunks (of currently 100 apps). When a backup of an app in one chunk fails,...

HTTP 412 Precondition failed with surf.nl WebDAV server

1

```ruby 02-05 09:04:25.802 16218 16251 E AppBackupWorker: java.io.IOException: Error listing https://surfdrive.surf.nl/files/remote.php/webdav/.SeedVaultAndroidBackup/foobar/ 02-05 09:04:25.802 16218 16251 E AppBackupWorker: at org.calyxos.seedvault.core.backends.webdav.WebDavBackend.list(WebDavBackend.kt:284) 02-05 09:04:25.802 16218 16251 E AppBackupWorker: at com.stevesoltys.seedvault.repo.AppBackupManager.beforeBackup(AppBackupManager.kt:64) 02-05 09:04:25.802 16218...

Counter measures against exfiltration of user data (for unlocked devices)

2

Threat: Device is unlocked in hands of the attacker. They then use Seedvault to exfiltrate data of all apps. Counter measures: * require device credential when changing recovery code (currently...

Are there still affected MIUI phones?

4

Thanks for this test app and tracking package installer breakage. I noticed that at least MIUI 14 seems to have fixed the issue and package installer is working normally there....