ASB-A-209965481

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-209965481.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-209965481
Aliases
  • A-209965481
  • CVE-2021-39704
Published
2022-03-01T00:00:00Z
Modified
2024-08-07T19:30:10.321993Z
Summary
App can remain foreground forever without showing any notification and can bypass one time permissions.
Details

In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification due to a permissions bypass. 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/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11:0
Fixed
11:2022-03-01

Affected versions

Other

11

Ecosystem specific 

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    "vanir_signatures": [
        {
            "digest": {
                "length": 938.0,
                "function_hash": "290951079311518025289317428185156220612"
            },
            "id": "ASB-A-209965481-89535daa",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/6456b622fd39115001478b6fad2f45f50b65f30a",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/core/java/com/android/server/notification/NotificationManagerService.java",
                "function": "deleteNotificationChannelGroup"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "173889726864008581084648463149435370300",
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                    "45791029998817299130183393007229542476",
                    "33911891339796287344364179616506003964",
                    "56300563857206841818173955179521150177"
                ]
            },
            "id": "ASB-A-209965481-968f1c8d",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/6456b622fd39115001478b6fad2f45f50b65f30a",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/core/java/com/android/server/notification/NotificationManagerService.java"
            },
            "signature_type": "Line"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/6456b622fd39115001478b6fad2f45f50b65f30a"
    ],
    "spl": "2022-03-01",
    "severity": "High",
    "types": [
        "EoP"
    ]
}

Android / platform/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12:0
Fixed
12:2022-03-01

Affected versions

Other

12

Ecosystem specific 

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    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "173889726864008581084648463149435370300",
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            },
            "id": "ASB-A-209965481-08082901",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/37a28db7f586de3bad3e9dff3afc4356bfb8bb76",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/core/java/com/android/server/notification/NotificationManagerService.java"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 939.0,
                "function_hash": "50702968381490164283789956219436653491"
            },
            "id": "ASB-A-209965481-78b3483d",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/37a28db7f586de3bad3e9dff3afc4356bfb8bb76",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/core/java/com/android/server/notification/NotificationManagerService.java",
                "function": "deleteNotificationChannelGroup"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/37a28db7f586de3bad3e9dff3afc4356bfb8bb76"
    ],
    "spl": "2022-03-01",
    "severity": "High",
    "types": [
        "EoP"
    ]
}

Android / platform/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12L:0
Fixed
12L:2022-03-01

Affected versions

Other

12L

Ecosystem specific 

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    "vanir_signatures": [
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            "digest": {
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                "function_hash": "50702968381490164283789956219436653491"
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            "id": "ASB-A-209965481-513a7a6f",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/539eaff7d59d645382f8a3ee1ea661c31d13ff86",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/core/java/com/android/server/notification/NotificationManagerService.java",
                "function": "deleteNotificationChannelGroup"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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            "source": "https://android.googlesource.com/platform/frameworks/base/+/539eaff7d59d645382f8a3ee1ea661c31d13ff86",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/core/java/com/android/server/notification/NotificationManagerService.java"
            },
            "signature_type": "Line"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/539eaff7d59d645382f8a3ee1ea661c31d13ff86"
    ],
    "spl": "2022-03-01",
    "severity": "High",
    "types": [
        "EoP"
    ]
}