cve-2020-2040
Vulnerability from cvelistv5
Published
2020-09-09 00:00
Modified
2024-08-04 06:54
Severity
9.8 (Critical) - cvssV3_1 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
PAN-OS: Buffer overflow when Captive Portal or Multi-Factor Authentication (MFA) is enabled
Impacted products
VendorProduct
Palo Alto NetworksPAN-OS
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T06:54:00.636Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://security.paloaltonetworks.com/CVE-2020-2040"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "PAN-OS",
          "vendor": "Palo Alto Networks",
          "versions": [
            {
              "status": "affected",
              "version": "8.0.*"
            },
            {
              "changes": [
                {
                  "at": "9.0.9",
                  "status": "unaffected"
                }
              ],
              "lessThan": "9.0.9",
              "status": "affected",
              "version": "9.0",
              "versionType": "custom"
            },
            {
              "changes": [
                {
                  "at": "9.1.3",
                  "status": "unaffected"
                }
              ],
              "lessThan": "9.1.3",
              "status": "affected",
              "version": "9.1",
              "versionType": "custom"
            },
            {
              "changes": [
                {
                  "at": "8.1.15",
                  "status": "unaffected"
                }
              ],
              "lessThan": "8.1.15",
              "status": "affected",
              "version": "8.1",
              "versionType": "custom"
            },
            {
              "lessThan": "10.0*",
              "status": "unaffected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "value": "This issue is applicable only where either Captive Portal or Multi-Factor Authentication (MFA) is enabled."
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "This issue was found by Yamata Li of Palo Alto Networks during internal security review."
        }
      ],
      "datePublic": "2020-09-09T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "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."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "Palo Alto Networks is not aware of any malicious attempts to exploit this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "CWE-120 Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-09-09T16:45:27",
        "orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
        "shortName": "palo_alto"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://security.paloaltonetworks.com/CVE-2020-2040"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "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": "en",
          "time": "2020-09-09T00:00:00",
          "value": "Initial publication"
        }
      ],
      "title": "PAN-OS: Buffer overflow when Captive Portal or Multi-Factor Authentication (MFA) is enabled",
      "workarounds": [
        {
          "lang": "en",
          "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."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "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": "\u003c",
                            "version_name": "9.0",
                            "version_value": "9.0.9"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "9.1",
                            "version_value": "9.1.3"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "8.1",
                            "version_value": "8.1.15"
                          },
                          {
                            "version_affected": "!\u003e=",
                            "version_name": "9.0",
                            "version_value": "9.0.9"
                          },
                          {
                            "version_affected": "!\u003e=",
                            "version_name": "9.1",
                            "version_value": "9.1.3"
                          },
                          {
                            "version_affected": "!\u003e=",
                            "version_name": "8.1",
                            "version_value": "8.1.15"
                          },
                          {
                            "version_affected": "=",
                            "version_name": "8.0",
                            "version_value": "8.0.*"
                          },
                          {
                            "version_affected": "!\u003e=",
                            "version_name": "10.0",
                            "version_value": "10.0.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Palo Alto Networks"
              }
            ]
          }
        },
        "configuration": [
          {
            "lang": "en",
            "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": "en",
            "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": [
            {
              "name": "https://security.paloaltonetworks.com/CVE-2020-2040",
              "refsource": "MISC",
              "url": "https://security.paloaltonetworks.com/CVE-2020-2040"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "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": "en",
            "time": "2020-09-09T00:00:00",
            "value": "Initial publication"
          }
        ],
        "work_around": [
          {
            "lang": "en",
            "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."
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
    "assignerShortName": "palo_alto",
    "cveId": "CVE-2020-2040",
    "datePublished": "2020-09-09T00:00:00",
    "dateReserved": "2019-12-04T00:00:00",
    "dateUpdated": "2024-08-04T06:54:00.636Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-2040\",\"sourceIdentifier\":\"psirt@paloaltonetworks.com\",\"published\":\"2020-09-09T17:15:25.900\",\"lastModified\":\"2020-09-15T18:04:34.380\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"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.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de desbordamiento de b\u00fafer en PAN-OS permite a un atacante no autenticado interrumpir los procesos del sistema y potencialmente ejecutar c\u00f3digo arbitrario con privilegios root al enviar una petici\u00f3n maliciosa al portal cautivo o la interfaz de autenticaci\u00f3n multifactor. Este problema impacta a: todas las Versiones PAN-OS 8.0; Versiones PAN-OS 8.1 anteriores a PAN-OS 8.1.15; Versiones PAN-OS 9.0 anteriores a PAN-OS 9.0.9; Versiones PAN-OS 9.1 anteriores a PAN-OS 9.1.3.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9},{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:C/I:C/A:C\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":10.0},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-120\"}]},{\"source\":\"psirt@paloaltonetworks.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-120\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndIncluding\":\"8.0.20\",\"matchCriteriaId\":\"2BEFBF38-AF84-4477-A6B9-5BDD51D54F4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.1.0\",\"versionEndExcluding\":\"8.1.15\",\"matchCriteriaId\":\"6116C706-6AC7-476D-9624-C0D4BE3D497A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.0.0\",\"versionEndExcluding\":\"9.0.9\",\"matchCriteriaId\":\"6D6E8B99-4150-4AE8-A580-08AC71F64760\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.1.0\",\"versionEndExcluding\":\"9.1.3\",\"matchCriteriaId\":\"4E9F14E9-3CD7-443B-9D97-254E917FA22B\"}]}]}],\"references\":[{\"url\":\"https://security.paloaltonetworks.com/CVE-2020-2040\",\"source\":\"psirt@paloaltonetworks.com\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...