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
  • A-193800652
  • CVE-2021-1025
Published
2021-12-01T00:00:00Z
Modified
2026-09-22T15:22:15Z
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 

{
    "fixes":  [
        "https://android.googlesource.com/platform/frameworks/base/+/c7de46c8e45b0a81da65bb63220f1e502cf04921"
    ],
    "severity":  "Moderate",
    "spl":  "2021-12-01",
    "types":  [
        "ID"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "39275217561838728963992075719630011395",
                    "60949154431976449709105693195531616887",
                    "261464316904973385258147136598452934597",
                    "227214050609644533085085003222725773304",
                    "175625025981031983434455603619840749403",
                    "98874412179968923432749838123742731022",
                    "181300433046089138343853969056757871617",
                    "238714527340987671693651969324152567441",
                    "107399261705791472036583292945930006355"
                ],
                "threshold":  0.9
            },
            "id":  "PUB-A-193800652-c69b02ce",
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/frameworks/base/+/c7de46c8e45b0a81da65bb63220f1e502cf04921",
            "target":  {
                "file":  "services/core/java/com/android/server/wallpaper/WallpaperManagerService.java"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "260323520536712876715714027822045432317",
                "length":  562
            },
            "id":  "PUB-A-193800652-e10ef509",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/frameworks/base/+/c7de46c8e45b0a81da65bb63220f1e502cf04921",
            "target":  {
                "file":  "services/core/java/com/android/server/wallpaper/WallpaperManagerService.java",
                "function":  "hasNamedWallpaper"
            }
        }
    ]
}

Database specific

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