PUB-A-180420059

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-180420059.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-180420059
Aliases
  • A-180420059
  • CVE-2021-1022
Published
2021-12-01T00:00:00Z
Modified
2025-12-19T16:39:34.002121Z
Summary
[none]
Details

In btifinhfclientgenericevt of btifhf_client.cc, there is a possible Bluetooth service crash due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/system/bt

Package

Name
platform/system/bt

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12:0
Fixed
12:2021-12-01

Affected versions

Other

12

Ecosystem specific 

{
    "spl": "2021-12-01",
    "vanir_signatures": [
        {
            "source": "https://android.googlesource.com/platform/system/bt/+/1924e011a8770edcc8430702114ed06b6c11c5ab",
            "target": {
                "function": "btif_in_hf_client_generic_evt",
                "file": "btif/src/btif_hf_client.cc"
            },
            "signature_type": "Function",
            "id": "PUB-A-180420059-06226d93",
            "deprecated": false,
            "signature_version": "v1",
            "digest": {
                "length": 592.0,
                "function_hash": "100983578932973266273128197855008333736"
            }
        },
        {
            "source": "https://android.googlesource.com/platform/system/bt/+/1924e011a8770edcc8430702114ed06b6c11c5ab",
            "target": {
                "file": "btif/src/btif_hf_client.cc"
            },
            "signature_type": "Line",
            "id": "PUB-A-180420059-2892994a",
            "deprecated": false,
            "signature_version": "v1",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "186000689719512910692076778162002460461",
                    "295237246237395290570544931291249859846",
                    "136626929413539361612694698853879259238",
                    "61864395386903211023641912611902541733"
                ]
            }
        }
    ],
    "severity": "Moderate",
    "types": [
        "DoS"
    ],
    "fixes": [
        "https://android.googlesource.com/platform/system/bt/+/1924e011a8770edcc8430702114ed06b6c11c5ab"
    ]
}