ASB-A-230494481

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Import Source

https://storage.googleapis.com/android-osv/ASB-A-230494481.json

JSON Data

https://api.osv.dev/v1/vulns/ASB-A-230494481

Aliases

A-230494481
CVE-2022-20345

Published

2022-08-01T00:00:00Z

Modified

2026-04-21T15:25:42.831358Z

Summary

[none]

Details

In l2cbleprocesssigcmd of l2cble.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth 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

12:2022-08-01

Affected versions

Other

Ecosystem specific

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "55705507659901056751541525100410692467",
                    "129612777462826108300575791623030211462",
                    "218160243998060500243641945815635237332",
                    "15727238478529142005183987233395361709",
                    "189428048400701381172458269065605979516",
                    "185168886266552122974993543782533786385"
                ]
            },
            "id": "ASB-A-230494481-4ece4e7d",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "source": "https://android.googlesource.com/platform/system/bt/+/d24b9c262039347b30c1ec41d38fa5c598a9fbd7",
            "target": {
                "file": "stack/l2cap/l2c_ble.cc"
            }
        },
        {
            "digest": {
                "length": 15253.0,
                "function_hash": "84986807421059699936917941225242500392"
            },
            "id": "ASB-A-230494481-f122d02b",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "source": "https://android.googlesource.com/platform/system/bt/+/d24b9c262039347b30c1ec41d38fa5c598a9fbd7",
            "target": {
                "function": "l2cble_process_sig_cmd",
                "file": "stack/l2cap/l2c_ble.cc"
            }
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/system/bt/+/d24b9c262039347b30c1ec41d38fa5c598a9fbd7"
    ],
    "types": [
        "RCE"
    ],
    "spl": "2022-08-01",
    "severity": "Critical"
}

Database specific

source

"https://storage.googleapis.com/android-osv/ASB-A-230494481.json"