gsd-2019-11043
Vulnerability from gsd
Modified
2023-12-13 01:24
Details
In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.
Aliases
Aliases
CVE-2019-11043


To clipboard 

{
  "GSD": {
    "alias": "CVE-2019-11043",
    "description": "In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.",
    "id": "GSD-2019-11043",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-11043.html",
      "https://www.debian.org/security/2019/dsa-4552",
      "https://www.debian.org/security/2019/dsa-4553",
      "https://access.redhat.com/errata/RHSA-2020:2835",
      "https://access.redhat.com/errata/RHSA-2020:0322",
      "https://access.redhat.com/errata/RHSA-2019:3736",
      "https://access.redhat.com/errata/RHSA-2019:3735",
      "https://access.redhat.com/errata/RHSA-2019:3724",
      "https://access.redhat.com/errata/RHSA-2019:3300",
      "https://access.redhat.com/errata/RHSA-2019:3299",
      "https://access.redhat.com/errata/RHSA-2019:3287",
      "https://access.redhat.com/errata/RHSA-2019:3286",
      "https://ubuntu.com/security/CVE-2019-11043",
      "https://advisories.mageia.org/CVE-2019-11043.html",
      "https://security.archlinux.org/CVE-2019-11043",
      "https://alas.aws.amazon.com/cve/html/CVE-2019-11043.html",
      "https://linux.oracle.com/cve/CVE-2019-11043.html",
      "https://packetstormsecurity.com/files/cve/CVE-2019-11043"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-11043"
      ],
      "details": "In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.",
      "id": "GSD-2019-11043",
      "modified": "2023-12-13T01:24:02.024494Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cisa.gov": {
      "cveID": "CVE-2019-11043",
      "dateAdded": "2022-03-25",
      "dueDate": "2022-04-15",
      "product": "FastCGI Process Manager (FPM)",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "In some versions of PHP in certain configurations of FPM setup, it is possible to cause FPM module to write past allocated buffers allowing the possibility of remote code execution.",
      "vendorProject": "PHP",
      "vulnerabilityName": "PHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability"
    },
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@php.net",
        "DATE_PUBLIC": "2019-10-22T03:18:00.000Z",
        "ID": "CVE-2019-11043",
        "STATE": "PUBLIC",
        "TITLE": "Underflow in PHP-FPM can lead to RCE"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "PHP",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "7.1.x",
                          "version_value": "7.1.33"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "7.2.x",
                          "version_value": "7.2.24"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "7.3.x",
                          "version_value": "7.3.11"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "PHP"
            }
          ]
        }
      },
      "credit": [
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          "lang": "eng",
          "value": "Reported by Emil Lerner. "
        }
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      "data_type": "CVE",
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            "value": "In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution."
          }
        ]
      },
      "exploit": [
        {
          "lang": "eng",
          "value": "Exploit described at https://github.com/neex/phuip-fpizdam"
        }
      ],
      "generator": {
        "engine": "Vulnogram 0.0.8"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        }
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      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-120 Buffer Overflow"
              }
            ]
          }
        ]
      },
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        "reference_data": [
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            "name": "https://github.com/neex/phuip-fpizdam",
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          },
          {
            "name": "FEDORA-2019-4adc49a476",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD/"
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          {
            "name": "https://security.netapp.com/advisory/ntap-20191031-0003/",
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            "url": "https://access.redhat.com/errata/RHSA-2019:3286"
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            "refsource": "REDHAT",
            "url": "https://access.redhat.com/errata/RHSA-2019:3287"
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            "url": "https://access.redhat.com/errata/RHSA-2019:3299"
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          {
            "name": "FEDORA-2019-7bb07c3b02",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M/"
          },
          {
            "name": "openSUSE-SU-2019:2441",
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            "url": "https://www.synology.com/security/advisory/Synology_SA_19_36"
          },
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            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html"
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          },
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            "name": "RHSA-2020:0322",
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            "url": "https://access.redhat.com/errata/RHSA-2020:0322"
          },
          {
            "name": "http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html",
            "refsource": "MISC",
            "url": "http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html"
          },
          {
            "name": "https://www.tenable.com/security/tns-2021-14",
            "refsource": "CONFIRM",
            "url": "https://www.tenable.com/security/tns-2021-14"
          }
        ]
      },
      "source": {
        "defect": [
          "https://bugs.php.net/bug.php?id=78599"
        ],
        "discovery": "EXTERNAL"
      },
      "work_around": [
        {
          "lang": "eng",
          "value": "Configuring nginx (or other server that implements the front-end part of the FPM protocol) to check for the existence of the target file before passing it to PHP FPM (e.g. \"try_files $uri =404\" or \"if (-f $uri)\" in nginx) for would prevent this vulnerability from happening. "
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
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              {
                "cpe23Uri": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
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                "versionEndExcluding": "7.1.33",
                "versionStartIncluding": "7.1.0",
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      "cve": {
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          "ID": "CVE-2019-11043"
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            },
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              "refsource": "FULLDISC",
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            },
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            },
            {
              "name": "http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html",
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          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-07-22T18:15Z",
      "publishedDate": "2019-10-28T15:15Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
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