{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-28734",
        "ASSIGNER": "security@ubuntu.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Out-of-bounds write when handling split HTTP headers; When handling split HTTP headers, GRUB2 HTTP code accidentally moves its internal data buffer point by one position. This can lead to a out-of-bound write further when parsing the HTTP request, writing a NULL byte past the buffer. It's conceivable that an attacker controlled set of packets can lead to corruption of the GRUB2's internal memory metadata."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "GNU Project",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "GNU GRUB",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "0",
                                            "version_value": "2.06-3"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5",
                "refsource": "MISC",
                "name": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
            },
            {
                "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734",
                "refsource": "MISC",
                "name": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28734"
            },
            {
                "url": "https://security.netapp.com/advisory/ntap-20230825-0002/",
                "refsource": "MISC",
                "name": "https://security.netapp.com/advisory/ntap-20230825-0002/"
            }
        ]
    },
    "credits": [
        {
            "lang": "en",
            "value": "Daniel Axtens"
        }
    ],
    "impact": {
        "cvss": [
            {
                "version": "3.1",
                "attackVector": "NETWORK",
                "attackComplexity": "HIGH",
                "privilegesRequired": "NONE",
                "userInteraction": "NONE",
                "scope": "UNCHANGED",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "availabilityImpact": "HIGH",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "baseScore": 8.1,
                "baseSeverity": "HIGH"
            }
        ]
    }
}