PUB-A-176756691

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-176756691.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-176756691
Aliases
  • A-176756691
  • CVE-2021-0536
Published
2021-06-01T00:00:00Z
Modified
2024-11-06T12:16:03.231308Z
Summary
[none]
Details

In dropFile of WiFiInstaller, there is a way to delete files accessible to CertInstaller due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/packages/apps/CertInstaller

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11:0
Fixed
11:2021-06-01

Affected versions

Other

11

Ecosystem specific

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 1158.0,
                "function_hash": "217356404813949619192597016952761966644"
            },
            "id": "PUB-A-176756691-0ff8c12c",
            "source": "https://android.googlesource.com/platform/packages/apps/CertInstaller/+/2e6f670e6fd6ffa6065280e057b4a68dbc68a44e",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "src/com/android/certinstaller/WiFiInstaller.java",
                "function": "onClick"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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            },
            "id": "PUB-A-176756691-44679434",
            "source": "https://android.googlesource.com/platform/packages/apps/CertInstaller/+/2e6f670e6fd6ffa6065280e057b4a68dbc68a44e",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "src/com/android/certinstaller/WiFiInstaller.java"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 737.0,
                "function_hash": "203260181679921286245243708838292581669"
            },
            "id": "PUB-A-176756691-6ba53792",
            "source": "https://android.googlesource.com/platform/packages/apps/CertInstaller/+/2e6f670e6fd6ffa6065280e057b4a68dbc68a44e",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "src/com/android/certinstaller/WiFiInstaller.java",
                "function": "run"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 903.0,
                "function_hash": "149512918836258587134286066261101636141"
            },
            "id": "PUB-A-176756691-cde00719",
            "source": "https://android.googlesource.com/platform/packages/apps/CertInstaller/+/2e6f670e6fd6ffa6065280e057b4a68dbc68a44e",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "src/com/android/certinstaller/WiFiInstaller.java",
                "function": "onCreate"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 2411.0,
                "function_hash": "231043761990921581651513874173068478550"
            },
            "id": "PUB-A-176756691-f56210f3",
            "source": "https://android.googlesource.com/platform/packages/apps/CertInstaller/+/2e6f670e6fd6ffa6065280e057b4a68dbc68a44e",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "src/com/android/certinstaller/WiFiInstaller.java",
                "function": "createMainDialog"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/packages/apps/CertInstaller/+/2e6f670e6fd6ffa6065280e057b4a68dbc68a44e"
    ],
    "spl": "2021-06-01",
    "severity": "Moderate",
    "types": [
        "EoP"
    ]
}