ASB-A-204087139

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Import Source

https://storage.googleapis.com/android-osv/ASB-A-204087139.json

JSON Data

https://api.osv.dev/v1/vulns/ASB-A-204087139

Aliases

A-204087139
CVE-2021-39670

Published

2022-05-01T00:00:00Z

Modified

2026-05-01T15:24:27.653932Z

Summary

[none]

Details

In setStream of WallpaperManager.java, there is a possible way to cause a permanent DoS due to improper input validation. This could lead to local denial of service with User 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

12:0

Fixed

12:2022-05-01

Affected versions

Other

Ecosystem specific

{
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/06991931150374c98b7e81abef076172c8a46b6e"
    ],
    "severity": "High",
    "spl": "2022-05-01",
    "vanir_signatures": [
        {
            "deprecated": false,
            "signature_version": "v1",
            "id": "ASB-A-204087139-1dd0000c",
            "digest": {
                "length": 77.0,
                "function_hash": "290580165080064097473301853471677008198"
            },
            "source": "https://android.googlesource.com/platform/frameworks/base/+/06991931150374c98b7e81abef076172c8a46b6e",
            "signature_type": "Function",
            "target": {
                "file": "services/core/java/com/android/server/wallpaper/WallpaperManagerService.java",
                "function": "onUserSwitching"
            }
        },
        {
            "deprecated": false,
            "signature_version": "v1",
            "id": "ASB-A-204087139-421c02c0",
            "digest": {
                "length": 5167.0,
                "function_hash": "74420489073673561421536574457559748720"
            },
            "source": "https://android.googlesource.com/platform/frameworks/base/+/06991931150374c98b7e81abef076172c8a46b6e",
            "signature_type": "Function",
            "target": {
                "file": "services/core/java/com/android/server/wallpaper/WallpaperManagerService.java",
                "function": "generateCrop"
            }
        },
        {
            "deprecated": false,
            "signature_version": "v1",
            "id": "ASB-A-204087139-7c5642d7",
            "digest": {
                "length": 1692.0,
                "function_hash": "217502069129547657298630657791721680375"
            },
            "source": "https://android.googlesource.com/platform/frameworks/base/+/06991931150374c98b7e81abef076172c8a46b6e",
            "signature_type": "Function",
            "target": {
                "file": "services/core/java/com/android/server/wallpaper/WallpaperManagerService.java",
                "function": "systemReady"
            }
        },
        {
            "deprecated": false,
            "signature_version": "v1",
            "id": "ASB-A-204087139-91e2f104",
            "digest": {
                "length": 235.0,
                "function_hash": "84032554352027808307393675842447019405"
            },
            "source": "https://android.googlesource.com/platform/frameworks/base/+/06991931150374c98b7e81abef076172c8a46b6e",
            "signature_type": "Function",
            "target": {
                "file": "services/core/java/com/android/server/wallpaper/WallpaperManagerService.java",
                "function": "onBootPhase"
            }
        },
        {
            "deprecated": false,
            "signature_version": "v1",
            "id": "ASB-A-204087139-9ca5b924",
            "digest": {
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                "threshold": 0.9
            },
            "source": "https://android.googlesource.com/platform/frameworks/base/+/06991931150374c98b7e81abef076172c8a46b6e",
            "signature_type": "Line",
            "target": {
                "file": "services/core/java/com/android/server/wallpaper/WallpaperManagerService.java"
            }
        }
    ],
    "types": [
        "DoS"
    ]
}

Database specific

source

"https://storage.googleapis.com/android-osv/ASB-A-204087139.json"