In getRegistration of RemoteProvisioningService.java, there is a possible way to permanently disable the AndroidKeyStore key generation feature by updating the attestation keys of all installed apps 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.
{ "vanir_signatures": [ { "digest": { "length": 1210.0, "function_hash": "234841824562288729416319276645598306787" }, "id": "ASB-A-336976105-70398ea5", "source": "https://android.googlesource.com/platform/packages/modules/RemoteKeyProvisioning/+/20922a9eb1721b23c1d75c811fda0c3cf7d0a4cf", "deprecated": false, "signature_version": "v1", "target": { "file": "app/src/com/android/rkpdapp/service/RemoteProvisioningService.java", "function": "getRegistration" }, "signature_type": "Function" }, { "digest": { "threshold": 0.9, "line_hashes": [ "132800871280003918694670160317042139162", "190884303207015156163118594245004016198", "204975416451531807782764659610410548911", "66434609003460990096378821732044406984", "142937898931828598430970364491931271198", "161734595346689671121384731744033137378", "71119018193104367833081393186010998618", "66728635047074922466260773775375642219" ] }, "id": "ASB-A-336976105-7f4337c6", "source": "https://android.googlesource.com/platform/packages/modules/RemoteKeyProvisioning/+/20922a9eb1721b23c1d75c811fda0c3cf7d0a4cf", "deprecated": false, "signature_version": "v1", "target": { "file": "app/src/com/android/rkpdapp/service/RemoteProvisioningService.java" }, "signature_type": "Line" } ], "fixes": [ "https://android.googlesource.com/platform/packages/modules/RemoteKeyProvisioning/+/20922a9eb1721b23c1d75c811fda0c3cf7d0a4cf" ], "spl": "2024-09-01", "severity": "High", "types": [ "DoS" ] }
{ "vanir_signatures": [ { "digest": { "length": 1142.0, "function_hash": "277747717543683618016291332200748615377" }, "id": "ASB-A-336976105-5d83bd67", "source": "https://android.googlesource.com/platform/packages/modules/RemoteKeyProvisioning/+/d9c9db03fae63ac16d76cd68450e78c4a9285104", "deprecated": false, "signature_version": "v1", "target": { "file": "app/src/com/android/rkpdapp/service/RemoteProvisioningService.java", "function": "getRegistration" }, "signature_type": "Function" }, { "digest": { "threshold": 0.9, "line_hashes": [ "132800871280003918694670160317042139162", "190884303207015156163118594245004016198", "204975416451531807782764659610410548911", "66434609003460990096378821732044406984", "142937898931828598430970364491931271198", "161734595346689671121384731744033137378", "71119018193104367833081393186010998618", "66728635047074922466260773775375642219" ] }, "id": "ASB-A-336976105-bac914fa", "source": "https://android.googlesource.com/platform/packages/modules/RemoteKeyProvisioning/+/d9c9db03fae63ac16d76cd68450e78c4a9285104", "deprecated": false, "signature_version": "v1", "target": { "file": "app/src/com/android/rkpdapp/service/RemoteProvisioningService.java" }, "signature_type": "Line" } ], "fixes": [ "https://android.googlesource.com/platform/packages/modules/RemoteKeyProvisioning/+/d9c9db03fae63ac16d76cd68450e78c4a9285104" ], "spl": "2024-09-01", "severity": "High", "types": [ "DoS" ] }