cvelist/2020/2xxx/CVE-2020-2040.json

{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@paloaltonetworks.com",
        "DATE_PUBLIC": "2020-09-09T16:00:00.000Z",
        "ID": "CVE-2020-2040",
        "STATE": "PUBLIC",
        "TITLE": "PAN-OS: Buffer overflow when Captive Portal or Multi-Factor Authentication (MFA) is enabled"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "PAN-OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "9.0",
                                            "version_value": "9.0.9"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "9.1",
                                            "version_value": "9.1.3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "8.1",
                                            "version_value": "8.1.15"
                                        },
                                        {
                                            "version_affected": "!>=",
                                            "version_name": "9.0",
                                            "version_value": "9.0.9"
                                        },
                                        {
                                            "version_affected": "!>=",
                                            "version_name": "9.1",
                                            "version_value": "9.1.3"
                                        },
                                        {
                                            "version_affected": "!>=",
                                            "version_name": "8.1",
                                            "version_value": "8.1.15"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_name": "8.0",
                                            "version_value": "8.0.*"
                                        },
                                        {
                                            "version_affected": "!>=",
                                            "version_name": "10.0",
                                            "version_value": "10.0.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Palo Alto Networks"
                }
            ]
        }
    },
    "configuration": [
        {
            "lang": "eng",
            "value": "This issue is applicable only where either Captive Portal or Multi-Factor Authentication (MFA) is enabled."
        }
    ],
    "credit": [
        {
            "lang": "eng",
            "value": "This issue was found by Yamata Li of Palo Alto Networks during internal security review."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A buffer overflow vulnerability in PAN-OS allows an unauthenticated attacker to disrupt system processes and potentially execute arbitrary code with root privileges by sending a malicious request to the Captive Portal or Multi-Factor Authentication interface. This issue impacts: All versions of PAN-OS 8.0; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 9.1 versions earlier than PAN-OS 9.1.3."
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "value": "Palo Alto Networks is not aware of any malicious attempts to exploit this vulnerability."
        }
    ],
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-120 Buffer Overflow"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://security.paloaltonetworks.com/CVE-2020-2040",
                "name": "https://security.paloaltonetworks.com/CVE-2020-2040"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "This issue is fixed in PAN-OS 8.1.15, PAN-OS 9.0.9, PAN-OS 9.1.3, and all later PAN-OS versions.\n\nAll Prisma Access services are now upgraded to resolve this issue and are no longer vulnerable.\n\nPAN-OS 7.1 and 8.0 are end-of-life and are no longer covered by our Product Security Assurance policies."
        }
    ],
    "source": {
        "defect": [
            "PAN-145149",
            "PAN-145150",
            "PAN-145151",
            "PAN-145195"
        ],
        "discovery": "INTERNAL"
    },
    "timeline": [
        {
            "lang": "eng",
            "time": "2020-09-09T16:00:00.000Z",
            "value": "Initial publication"
        }
    ],
    "work_around": [
        {
            "lang": "eng",
            "value": "Until PAN-OS software is upgraded to a fixed version, enabling signatures in content update version 8317 will block attacks against CVE-2020-2040."
        }
    ]
}