cvelist/2024/11xxx/CVE-2024-11991.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-11991",
        "ASSIGNER": "cve@mitre.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Motoko's incremental garbage collector is impacted by an uninitialized memory access bug, caused by incorrect use of write barriers in a few locations. This vulnerability could potentially allow unauthorized read or write access to a Canister's memory. However, exploiting this bug requires the Canister to enable the incremental garbage collector or enhanced orthogonal persistence, which are non-default features in Motoko."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-908 Use of Uninitialized Resource",
                        "cweId": "CWE-908"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Internet Computer",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Motoko",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "0.9.0",
                                            "version_value": "0.13.3"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/dfinity/motoko/pull/4677",
                "refsource": "MISC",
                "name": "https://github.com/dfinity/motoko/pull/4677"
            },
            {
                "url": "https://github.com/dfinity/motoko/security/advisories/GHSA-9rhg-3qf8-hrv3",
                "refsource": "MISC",
                "name": "https://github.com/dfinity/motoko/security/advisories/GHSA-9rhg-3qf8-hrv3"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.2.0"
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "work_around": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "<p>Disable incremental garbage collector and enhanced orthogonal persistence. i.e. do <strong>not compile</strong>&nbsp;with&nbsp;<i>\u2014incremental-gc</i> or <i>--enhanced-orthogonal-persistence</i> options.</p>"
                }
            ],
            "value": "Disable incremental garbage collector and enhanced orthogonal persistence. i.e. do not compile\u00a0with\u00a0\u2014incremental-gc or --enhanced-orthogonal-persistence options."
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 5.6,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
                "version": "3.1"
            }
        ]
    }
}