cvelist/2022/35xxx/CVE-2022-35930.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2022-35930",
        "STATE": "PUBLIC",
        "TITLE": "Ability to bypass attestation verification in sigstore PolicyController"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "policy-controller",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 0.2.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "sigstore"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "PolicyController is a utility used to enforce supply chain policy in Kubernetes clusters. In versions prior to 0.2.1 PolicyController will report a false positive, resulting in an admission when it should not be admitted when there is at least one attestation with a valid signature and there are NO attestations of the type being verified (--type defaults to \"custom\"). An example image that can be used to test this is `ghcr.io/distroless/static@sha256:dd7614b5a12bc4d617b223c588b4e0c833402b8f4991fb5702ea83afad1986e2`. Users should upgrade to version 0.2.1 to resolve this issue. There are no workarounds for users unable to upgrade."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-347: Improper Verification of Cryptographic Signature"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/sigstore/policy-controller/security/advisories/GHSA-739f-hw6h-7wq8",
                "refsource": "CONFIRM",
                "url": "https://github.com/sigstore/policy-controller/security/advisories/GHSA-739f-hw6h-7wq8"
            },
            {
                "name": "https://github.com/sigstore/policy-controller/commit/e852af36fb7d42678b21d7e97503c25bd1fd05c8",
                "refsource": "MISC",
                "url": "https://github.com/sigstore/policy-controller/commit/e852af36fb7d42678b21d7e97503c25bd1fd05c8"
            },
            {
                "name": "https://github.com/sigstore/policy-controller/releases/tag/v0.2.1",
                "refsource": "MISC",
                "url": "https://github.com/sigstore/policy-controller/releases/tag/v0.2.1"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-739f-hw6h-7wq8",
        "discovery": "UNKNOWN"
    }
}