ASB-A-200682135

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-200682135.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-200682135
Aliases
  • A-200682135
  • CVE-2021-39663
Published
2022-02-01T00:00:00Z
Modified
2025-07-16T14:51:32.440415Z
Summary
[none]
Details

In openFileAndEnforcePathPermissionsHelper of MediaProvider.java, there is a possible bypass of a permissions check due to a confused deputy. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/packages/providers/MediaProvider

Package

Name
platform/packages/providers/MediaProvider

Affected ranges

Type
ECOSYSTEM
Events
Introduced
10:0
Fixed
10:2022-02-01

Affected versions

Other

10

Ecosystem specific 

{
    "types": [
        "EoP"
    ],
    "severity": "High",
    "vanir_signatures": [
        {
            "digest": {
                "function_hash": "165616400455024994892517906895191784291",
                "length": 558.0
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            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/packages/providers/MediaProvider/+/b50868065a4cf0c15e96aea66732afc89c388022",
            "id": "ASB-A-200682135-5f359beb",
            "signature_type": "Function",
            "target": {
                "file": "src/com/android/providers/media/MediaProvider.java",
                "function": "openTypedAssetFileCommon"
            }
        },
        {
            "digest": {
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            "source": "https://android.googlesource.com/platform/packages/providers/MediaProvider/+/b50868065a4cf0c15e96aea66732afc89c388022",
            "id": "ASB-A-200682135-8b355753",
            "signature_type": "Function",
            "target": {
                "file": "src/com/android/providers/media/MediaProvider.java",
                "function": "openFileCommon"
            }
        },
        {
            "digest": {
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            "source": "https://android.googlesource.com/platform/packages/providers/MediaProvider/+/b50868065a4cf0c15e96aea66732afc89c388022",
            "id": "ASB-A-200682135-962c8aa2",
            "signature_type": "Function",
            "target": {
                "file": "src/com/android/providers/media/MediaProvider.java",
                "function": "openFileAndEnforcePathPermissionsHelper"
            }
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            "source": "https://android.googlesource.com/platform/packages/providers/MediaProvider/+/b50868065a4cf0c15e96aea66732afc89c388022",
            "id": "ASB-A-200682135-e3310dcc",
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                "file": "src/com/android/providers/media/MediaProvider.java"
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    "fixes": [
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    "spl": "2022-02-01"
}