{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-31147",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2023-04-24T21:44:10.418Z",
        "datePublished": "2023-05-25T21:55:47.585Z",
        "dateUpdated": "2024-08-02T14:45:25.630Z"
    },
    "containers": {
        "cna": {
            "title": "Insufficient randomness in generation of DNS query IDs in c-ares",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-330",
                            "lang": "en",
                            "description": "CWE-330: Use of Insufficiently Random Values",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 5.9,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/c-ares/c-ares/security/advisories/GHSA-8r8p-23f3-64c2",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-8r8p-23f3-64c2"
                },
                {
                    "name": "https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1"
                },
                {
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/"
                },
                {
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/"
                },
                {
                    "url": "https://security.gentoo.org/glsa/202310-09"
                }
            ],
            "affected": [
                {
                    "vendor": "c-ares",
                    "product": "c-ares",
                    "versions": [
                        {
                            "version": "< 1.19.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2023-05-25T21:55:47.585Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "c-ares is an asynchronous resolver library. When /dev/urandom or RtlGenRandom() are unavailable, c-ares uses rand() to generate random numbers used for DNS query ids. This is not a CSPRNG, and it is also not seeded by srand() so will generate predictable output. Input from the random number generator is fed into a non-compilant RC4 implementation and may not be as strong as the original RC4 implementation. No attempt is made to look for modern OS-provided CSPRNGs like arc4random() that is widely available. This issue has been fixed in version 1.19.1."
                }
            ],
            "source": {
                "advisory": "GHSA-8r8p-23f3-64c2",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T14:45:25.630Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "name": "https://github.com/c-ares/c-ares/security/advisories/GHSA-8r8p-23f3-64c2",
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-8r8p-23f3-64c2"
                    },
                    {
                        "name": "https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1",
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1"
                    },
                    {
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://security.gentoo.org/glsa/202310-09",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}