{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2022-21716",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "dateUpdated": "2024-08-03T02:53:34.846Z",
        "dateReserved": "2021-11-16T00:00:00",
        "datePublished": "2022-03-03T00:00:00"
    },
    "containers": {
        "cna": {
            "title": "Buffer Overflow in Twisted",
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2023-01-11T00:00:00"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 22.2.0, Twisted SSH client and server implement is able to accept an infinite amount of data for the peer's SSH version identifier. This ends up with a buffer using all the available memory. The attach is a simple as `nc -rv localhost 22 < /dev/zero`. A patch is available in version 22.2.0. There are currently no known workarounds."
                }
            ],
            "affected": [
                {
                    "vendor": "twisted",
                    "product": "twisted",
                    "versions": [
                        {
                            "version": "< 22.2.0",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgx"
                },
                {
                    "url": "https://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9"
                },
                {
                    "url": "https://github.com/twisted/twisted/releases/tag/twisted-22.2.0"
                },
                {
                    "url": "https://twistedmatrix.com/trac/ticket/10284"
                },
                {
                    "name": "[debian-lts-announce] 20220308 [SECURITY] [DLA 2938-1] twisted security update",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00009.html"
                },
                {
                    "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
                },
                {
                    "name": "FEDORA-2022-71b66d4747",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/"
                },
                {
                    "name": "FEDORA-2022-9a489fa494",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/"
                },
                {
                    "name": "GLSA-202301-02",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://security.gentoo.org/glsa/202301-02"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
                            "cweId": "CWE-120"
                        }
                    ]
                }
            ],
            "source": {
                "advisory": "GHSA-rv6r-3f5q-9rgx",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T02:53:34.846Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://github.com/twisted/twisted/security/advisories/GHSA-rv6r-3f5q-9rgx",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/twisted/twisted/commit/89c395ee794e85a9657b112c4351417850330ef9",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/twisted/twisted/releases/tag/twisted-22.2.0",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://twistedmatrix.com/trac/ticket/10284",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "[debian-lts-announce] 20220308 [SECURITY] [DLA 2938-1] twisted security update",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00009.html"
                    },
                    {
                        "url": "https://www.oracle.com/security-alerts/cpuapr2022.html",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "FEDORA-2022-71b66d4747",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLKHA6WREIVAMBQD7KKWYHPHGGNKMAG6/"
                    },
                    {
                        "name": "FEDORA-2022-9a489fa494",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7U6KYDTOLPICAVSR34G2WRYLFBD2YW5K/"
                    },
                    {
                        "name": "GLSA-202301-02",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://security.gentoo.org/glsa/202301-02"
                    }
                ]
            }
        ]
    }
}