ASB-A-168692734

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-168692734.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-168692734
Aliases
  • A-168692734
  • CVE-2020-0469
Published
2020-12-01T00:00:00Z
Modified
2026-08-26T15:44:30.729509572Z
Summary
[none]
Details

In addEscrowToken of LockSettingsService.java, there is a possible loss of the synthetic password due to logic error. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11:0
Fixed
11:2020-12-01

Affected versions

Other
11

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "function_hash": "331169300333107926343020140939072705206",
                "length": 855.0
            },
            "signature_type": "Function",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/1a6f1fb402b96df561b9672aef1e4fce8a13de80",
            "id": "ASB-A-168692734-b39cebbf",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/core/java/com/android/server/locksettings/LockSettingsService.java",
                "function": "initializeSyntheticPasswordLocked"
            }
        },
        {
            "signature_version": "v1",
            "signature_type": "Function",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/1a6f1fb402b96df561b9672aef1e4fce8a13de80",
            "id": "ASB-A-168692734-e1250ca6",
            "deprecated": false,
            "digest": {
                "function_hash": "96394997500601448676737221830763040134",
                "length": 48.0
            },
            "target": {
                "file": "services/core/java/com/android/server/locksettings/LockSettingsService.java",
                "function": "shouldMigrateToSyntheticPasswordLocked"
            }
        },
        {
            "signature_version": "v1",
            "signature_type": "Line",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/1a6f1fb402b96df561b9672aef1e4fce8a13de80",
            "id": "ASB-A-168692734-fbc3e40c",
            "deprecated": false,
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "251550690581497423073937327260480606352",
                    "170125846614404205879020400085042593894",
                    "138144614483412455258960286212840580277",
                    "156587801624632000706238271320574735130",
                    "17748398500746310132563250961750529776",
                    "338776862070514492001845004348732116951",
                    "271723429315829656446388442982048252443",
                    "259288527986033092891475662013340766746",
                    "102766727341725255193336268302347785160",
                    "318955282145310672252016941305067844070",
                    "327608454589390501832279443579911710309",
                    "248850631743975608060784979100489083508"
                ]
            },
            "target": {
                "file": "services/core/java/com/android/server/locksettings/LockSettingsService.java"
            }
        }
    ],
    "spl": "2020-12-01",
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/1a6f1fb402b96df561b9672aef1e4fce8a13de80"
    ],
    "severity": "High",
    "types": [
        "DoS"
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-168692734.json"