{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2022-39237",
        "STATE": "PUBLIC",
        "TITLE": "Digital Signature Hash Algorithms Not Validated in sylabs/sif"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "sif",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 2.8.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "sylabs"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "syslabs/sif is the Singularity Image Format (SIF) reference implementation. In versions prior to 2.8.1the `github.com/sylabs/sif/v2/pkg/integrity` package did not verify that the hash algorithm(s) used are cryptographically secure when verifying digital signatures. A patch is available in version >= v2.8.1 of the module. Users are encouraged to upgrade. Users unable to upgrade may independently validate that the hash algorithm(s) used for metadata digest(s) and signature hash are cryptographically secure."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-347: Improper Verification of Cryptographic Signature"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/sylabs/sif/security/advisories/GHSA-m5m3-46gj-wch8",
                "refsource": "CONFIRM",
                "url": "https://github.com/sylabs/sif/security/advisories/GHSA-m5m3-46gj-wch8"
            },
            {
                "name": "https://github.com/sylabs/sif/commit/07fb86029a12e3210f6131e065570124605daeaa",
                "refsource": "MISC",
                "url": "https://github.com/sylabs/sif/commit/07fb86029a12e3210f6131e065570124605daeaa"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202210-19",
                "url": "https://security.gentoo.org/glsa/202210-19"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-m5m3-46gj-wch8",
        "discovery": "UNKNOWN"
    }
}