ASB-A-203847542

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-203847542.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-203847542
Aliases
  • A-203847542
  • CVE-2021-39620
Published
2022-01-01T00:00:00Z
Modified
2024-08-07T19:30:01.872365Z
Summary
Crash in /system/bin/servicemanager, HWAddressSanitizer: tag-mismatch on address 0x0047d0091f80 at pc 0x0070cd6a11e4 READ of size 8 at 0x0047d0091f80 tags: d3/5b (ptr/mem) in thread T0
Details

In ipcSetDataReference of Parcel.cpp, there is a possible way to corrupt memory due to a use after free. 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/native

Package

Name
platform/frameworks/native

Affected ranges

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

Affected versions

Other

11

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 1276.0,
                "function_hash": "144609664463200789840411049854569021572"
            },
            "id": "ASB-A-203847542-b60b1a8c",
            "source": "https://android.googlesource.com/platform/frameworks/native/+/d668098e4714025b41052207c9332de86dc3936a",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "libs/binder/Parcel.cpp",
                "function": "Parcel::ipcSetDataReference"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "98137480975788759579922814741327671228",
                    "296481944491939447479301249339620908390",
                    "255680770530481632092119999480852922173",
                    "335918368435902695206397568346019004575",
                    "132768507783080792642256092800878294969",
                    "103982756747036362728424074686863731880",
                    "185907099120875731621615021484317954078"
                ]
            },
            "id": "ASB-A-203847542-c4233554",
            "source": "https://android.googlesource.com/platform/frameworks/native/+/d668098e4714025b41052207c9332de86dc3936a",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "libs/binder/Parcel.cpp"
            },
            "signature_type": "Line"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/native/+/d668098e4714025b41052207c9332de86dc3936a"
    ],
    "spl": "2022-01-01",
    "severity": "High",
    "types": [
        "EoP"
    ]
}

Android / platform/frameworks/native

Package

Name
platform/frameworks/native

Affected ranges

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

Affected versions

Other

12

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "98137480975788759579922814741327671228",
                    "296481944491939447479301249339620908390",
                    "255680770530481632092119999480852922173",
                    "335918368435902695206397568346019004575",
                    "132768507783080792642256092800878294969",
                    "103982756747036362728424074686863731880",
                    "185907099120875731621615021484317954078"
                ]
            },
            "id": "ASB-A-203847542-5ce76df0",
            "source": "https://android.googlesource.com/platform/frameworks/native/+/7c8497e0127dde63957ee39e90e62b119d09948d",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "libs/binder/Parcel.cpp"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 1139.0,
                "function_hash": "332897563253174728649794722178199941684"
            },
            "id": "ASB-A-203847542-c9140953",
            "source": "https://android.googlesource.com/platform/frameworks/native/+/7c8497e0127dde63957ee39e90e62b119d09948d",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "libs/binder/Parcel.cpp",
                "function": "Parcel::ipcSetDataReference"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/native/+/7c8497e0127dde63957ee39e90e62b119d09948d"
    ],
    "spl": "2022-01-01",
    "severity": "High",
    "types": [
        "EoP"
    ]
}