{
    "CVE_data_meta": {
        "ASSIGNER": "cve@rapid7.com",
        "DATE_PUBLIC": "2022-06-14T17:00:00.000Z",
        "ID": "CVE-2022-32230",
        "STATE": "PUBLIC",
        "TITLE": "SMBv3 FileNormalizedNameInformation NULL Pointer Dereference"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Windows 10 Version 20H2",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "19042.1706",
                                            "version_value": "19042.1706"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19043.1706",
                                            "version_value": "19043.1706"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19044.1706",
                                            "version_value": "19043.1706"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Windows Server Version 20H2",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "19042.1706",
                                            "version_value": "19042.1706"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19043.1706",
                                            "version_value": "19043.1706"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19044.1706",
                                            "version_value": "19044.1706"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Windows 10 Version 21H1",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "19042.1706",
                                            "version_value": "19042.1706"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19043.1706",
                                            "version_value": "19043.1706"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19044.1706",
                                            "version_value": "19044.1706"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Windows 10 Version 21H2",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "19042.1706",
                                            "version_value": "19042.1706"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19043.1706",
                                            "version_value": "19043.1706"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "19044.1706",
                                            "version_value": "19044.1706"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Microsoft"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Spencer McIntyre of Rapid7"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Microsoft Windows SMBv3 suffers from a null pointer dereference in versions of Windows prior to the April, 2022 patch set. By sending a malformed FileNormalizedNameInformation SMBv3 request over a named pipe, an attacker can cause a Blue Screen of Death (BSOD) crash of the Windows kernel. For most systems, this attack requires authentication, except in the special case of Windows Domain Controllers, where unauthenticated users can always open named pipes as long as they can establish an SMB session. Typically, after the BSOD, the victim SMBv3 server will reboot."
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "value": "Metasploit module: https://github.com/zeroSteiner/metasploit-framework/blob/feat/mod/cve-2022-32230/modules/auxiliary/dos/smb/smb_filenormalizednameinformation.rb"
        }
    ],
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": "7.7",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-476 NULL Pointer Dereference"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://www.rapid7.com/blog/post/2022/06/14/cve-2022-32230-windows-smb-denial-of-service-vulnerability-fixed/",
                "refsource": "MISC",
                "url": "https://www.rapid7.com/blog/post/2022/06/14/cve-2022-32230-windows-smb-denial-of-service-vulnerability-fixed/"
            },
            {
                "name": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-32230",
                "refsource": "CONFIRM",
                "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-32230"
            },
            {
                "name": "https://github.com/zeroSteiner/metasploit-framework/blob/feat/mod/cve-2022-32230/modules/auxiliary/dos/smb/smb_filenormalizednameinformation.rb",
                "refsource": "MISC",
                "url": "https://github.com/zeroSteiner/metasploit-framework/blob/feat/mod/cve-2022-32230/modules/auxiliary/dos/smb/smb_filenormalizednameinformation.rb"
            },
            {
                "name": "https://support.microsoft.com/en-us/topic/may-10-2022-kb5013942-os-builds-19042-1706-19043-1706-and-19044-1706-60b51119-85be-4a34-9e21-8954f6749504",
                "refsource": "MISC",
                "url": "https://support.microsoft.com/en-us/topic/may-10-2022-kb5013942-os-builds-19042-1706-19043-1706-and-19044-1706-60b51119-85be-4a34-9e21-8954f6749504"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "This was fixed as a stability issue in the April, 2022 Patch Tuesday set from Microsoft."
        }
    ],
    "source": {
        "discovery": "EXTERNAL"
    }
}