In ReadLogicalParts of basicmbr.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
{
    "vanir_signatures": [
        {
            "id": "ASB-A-158063095-11339f55",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "digest": {
                "function_hash": "258593186599205374699246691488898125943",
                "length": 2133.0
            },
            "target": {
                "file": "basicmbr.cc",
                "function": "BasicMBRData::ReadLogicalParts"
            },
            "source": "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
        },
        {
            "id": "ASB-A-158063095-8a285ff6",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "205706127123916698108562926314364217798",
                    "287717961984034329341468240971041014386",
                    "77849535185068701593291272537290259547",
                    "304657516902678543681832869878364972184"
                ],
                "threshold": 0.9
            },
            "target": {
                "file": "basicmbr.cc"
            },
            "source": "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
        }
    ],
    "severity": "High",
    "types": [
        "EoP"
    ],
    "spl": "2021-01-01",
    "fixes": [
        "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
    ]
}{
    "vanir_signatures": [
        {
            "id": "ASB-A-158063095-6a78b920",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "205706127123916698108562926314364217798",
                    "287717961984034329341468240971041014386",
                    "77849535185068701593291272537290259547",
                    "304657516902678543681832869878364972184"
                ],
                "threshold": 0.9
            },
            "target": {
                "file": "basicmbr.cc"
            },
            "source": "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
        },
        {
            "id": "ASB-A-158063095-d6174cd8",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "digest": {
                "function_hash": "258593186599205374699246691488898125943",
                "length": 2133.0
            },
            "target": {
                "file": "basicmbr.cc",
                "function": "BasicMBRData::ReadLogicalParts"
            },
            "source": "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
        }
    ],
    "severity": "High",
    "types": [
        "EoP"
    ],
    "spl": "2021-01-01",
    "fixes": [
        "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
    ]
}{
    "vanir_signatures": [
        {
            "id": "ASB-A-158063095-379014a0",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "205706127123916698108562926314364217798",
                    "287717961984034329341468240971041014386",
                    "77849535185068701593291272537290259547",
                    "304657516902678543681832869878364972184"
                ],
                "threshold": 0.9
            },
            "target": {
                "file": "basicmbr.cc"
            },
            "source": "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
        },
        {
            "id": "ASB-A-158063095-7cee4170",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "digest": {
                "function_hash": "258593186599205374699246691488898125943",
                "length": 2133.0
            },
            "target": {
                "file": "basicmbr.cc",
                "function": "BasicMBRData::ReadLogicalParts"
            },
            "source": "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
        }
    ],
    "severity": "High",
    "types": [
        "EoP"
    ],
    "spl": "2021-01-01",
    "fixes": [
        "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
    ]
}{
    "vanir_signatures": [
        {
            "id": "ASB-A-158063095-26cfa8e9",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "205706127123916698108562926314364217798",
                    "287717961984034329341468240971041014386",
                    "77849535185068701593291272537290259547",
                    "304657516902678543681832869878364972184"
                ],
                "threshold": 0.9
            },
            "target": {
                "file": "basicmbr.cc"
            },
            "source": "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
        },
        {
            "id": "ASB-A-158063095-3f466518",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "digest": {
                "function_hash": "258593186599205374699246691488898125943",
                "length": 2133.0
            },
            "target": {
                "file": "basicmbr.cc",
                "function": "BasicMBRData::ReadLogicalParts"
            },
            "source": "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
        }
    ],
    "severity": "High",
    "types": [
        "EoP"
    ],
    "spl": "2021-01-01",
    "fixes": [
        "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
    ]
}{
    "vanir_signatures": [
        {
            "id": "ASB-A-158063095-2f90ec23",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "205706127123916698108562926314364217798",
                    "287717961984034329341468240971041014386",
                    "77849535185068701593291272537290259547",
                    "304657516902678543681832869878364972184"
                ],
                "threshold": 0.9
            },
            "target": {
                "file": "basicmbr.cc"
            },
            "source": "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
        },
        {
            "id": "ASB-A-158063095-4aaf3c0a",
            "deprecated": false,
            "signature_version": "v1",
            "signature_type": "Function",
            "digest": {
                "function_hash": "258593186599205374699246691488898125943",
                "length": 2133.0
            },
            "target": {
                "file": "basicmbr.cc",
                "function": "BasicMBRData::ReadLogicalParts"
            },
            "source": "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
        }
    ],
    "severity": "High",
    "types": [
        "EoP"
    ],
    "spl": "2021-01-01",
    "fixes": [
        "https://android.googlesource.com/platform/external/gptfdisk/+/6d369451868ce71618144c4f4bd645ae48f0d1c5"
    ]
}