PUB-A-193800652

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-193800652.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-193800652
Aliases
Published
2021-12-01T00:00:00Z
Modified
2026-05-13T15:53:10.761821Z
Summary
[none]
Details

In hasNamedWallpaper of WallpaperManagerService.java, there is a possible way to determine whether an app is installed, without query permissions, due to a missing permission check. This could lead to local information disclosure 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
12:0
Fixed
12:2021-12-01

Affected versions

Other
12

Ecosystem specific 

{
    "types": [
        "ID"
    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/c7de46c8e45b0a81da65bb63220f1e502cf04921"
    ],
    "spl": "2021-12-01",
    "vanir_signatures": [
        {
            "id": "PUB-A-193800652-c69b02ce",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/c7de46c8e45b0a81da65bb63220f1e502cf04921",
            "signature_version": "v1",
            "signature_type": "Line",
            "target": {
                "file": "services/core/java/com/android/server/wallpaper/WallpaperManagerService.java"
            },
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "39275217561838728963992075719630011395",
                    "60949154431976449709105693195531616887",
                    "261464316904973385258147136598452934597",
                    "227214050609644533085085003222725773304",
                    "175625025981031983434455603619840749403",
                    "98874412179968923432749838123742731022",
                    "181300433046089138343853969056757871617",
                    "238714527340987671693651969324152567441",
                    "107399261705791472036583292945930006355"
                ]
            }
        },
        {
            "id": "PUB-A-193800652-e10ef509",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/c7de46c8e45b0a81da65bb63220f1e502cf04921",
            "signature_version": "v1",
            "signature_type": "Function",
            "target": {
                "function": "hasNamedWallpaper",
                "file": "services/core/java/com/android/server/wallpaper/WallpaperManagerService.java"
            },
            "digest": {
                "function_hash": "260323520536712876715714027822045432317",
                "length": 562.0
            }
        }
    ],
    "severity": "Moderate"
}

Database specific

source 
"https://storage.googleapis.com/android-osv/PUB-A-193800652.json"