CVE-2012-1172 (GCVE-0-2012-1172)

Vulnerability from cvelistv5 – Published: 2012-05-24 00:00 – Updated: 2024-08-06 18:53
VLAI
Summary
The file-upload implementation in rfc1867.c in PHP before 5.4.0 does not properly handle invalid [ (open square bracket) characters in name values, which makes it easier for remote attackers to cause a denial of service (malformed $_FILES indexes) or conduct directory traversal attacks during multi-file uploads by leveraging a script that lacks its own filename restrictions.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public
2009-06-18 00:00
Show details on NVD website
To clipboard 

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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The file-upload implementation in rfc1867.c in PHP before 5.4.0 does not properly handle invalid [ (open square bracket) characters in name values, which makes it easier for remote attackers to cause a denial of service (malformed $_FILES indexes) or conduct directory traversal attacks during multi-file uploads by leveraging a script that lacks its own filename restrictions."
        },
        {
          "lang": "es",
          "value": "La aplicaci\u00f3n de carga de archivos en rfc1867.c en PHP anterior a v5.4.0 no maneja correctamente caracteres v\u00e1lidos [(corchete abierto) en los valores de nombre, lo que hace que sea m\u00e1s f\u00e1cil para  atacantes remotos causar una denegaci\u00f3n de servicio ( indices $ _FILES malformados) o llevar a cabo ataques transversales de directorio durante la carga de archivos aprovech\u00e1ndose de un script que carece de las restricciones de nombre del propio fichero.\r\n"
        }
      ],
      "id": "CVE-2012-1172",
      "lastModified": "2024-11-21T01:36:35.330",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "MEDIUM",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 5.8,
              "confidentialityImpact": "NONE",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 8.6,
            "impactScore": 4.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ]
      },
      "published": "2012-05-24T00:55:02.507",
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          "source": "secalert@redhat.com",
          "tags": [
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          ],
          "url": "http://isisblogs.poly.edu/2011/08/11/php-not-properly-checking-params/"
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        {
          "source": "secalert@redhat.com",
          "url": "http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html"
        },
        {
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          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080037.html"
        },
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        },
        {
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          "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00007.html"
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      ],
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-20"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
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                    "matchCriteriaId": "A9E6D530-91FC-42F4-A427-6601238E0187",
                    "vulnerable": true
                  },
                  {
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                    "matchCriteriaId": "9EC938DB-E066-407F-BDF8-61A1C41136F7",
                    "vulnerable": true
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                  {
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                    "matchCriteriaId": "ACDF768D-7F5A-4042-B7DD-398F65F3F094",
                    "vulnerable": true
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                    "matchCriteriaId": "2AF35BB6-C6B1-4683-A8BE-AA72CC34F5B5",
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                    "vulnerable": true
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                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The file-upload implementation in rfc1867.c in PHP before 5.4.0 does not properly handle invalid [ (open square bracket) characters in name values, which makes it easier for remote attackers to cause a denial of service (malformed $_FILES indexes) or conduct directory traversal attacks during multi-file uploads by leveraging a script that lacks its own filename restrictions."
          },
          {
            "lang": "es",
            "value": "La aplicaci\u00f3n de carga de archivos en rfc1867.c en PHP anterior a v5.4.0 no maneja correctamente caracteres v\u00e1lidos [(corchete abierto) en los valores de nombre, lo que hace que sea m\u00e1s f\u00e1cil para  atacantes remotos causar una denegaci\u00f3n de servicio ( indices $ _FILES malformados) o llevar a cabo ataques transversales de directorio durante la carga de archivos aprovech\u00e1ndose de un script que carece de las restricciones de nombre del propio fichero.\r\n"
          }
        ],
        "id": "CVE-2012-1172",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.8,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 4.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2012-05-24T00:55:02.507",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Exploit"
            ],
            "url": "http://isisblogs.poly.edu/2011/08/11/php-not-properly-checking-params/"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html"
          },
          {
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            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080037.html"
          },
          {
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            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080041.html"
          },
          {
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            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-May/080070.html"
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          {
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            "url": "http://svn.php.net/viewvc/php/php-src/branches/PHP_5_4/main/rfc1867.c?r1=321664\u0026r2=321663\u0026pathrev=321664"
          },
          {
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            "url": "http://svn.php.net/viewvc?view=revision\u0026revision=321664"
          },
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            "url": "http://www.debian.org/security/2012/dsa-2465"
          },
          {
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            "url": "http://www.php.net/ChangeLog-5.php#5.4.0"
          },
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            "url": "https://bugs.php.net/bug.php?id=48597"
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            "url": "http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html"
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          {
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          },
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          },
          {
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          },
          {
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            "url": "https://bugs.php.net/bug.php?id=49683"
          },
          {
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            "tags": [
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          },
          {
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            "url": "https://bugs.php.net/bug.php?id=55500"
          },
          {
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            "tags": [
              "Exploit"
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            "url": "https://nealpoole.com/blog/2011/10/directory-traversal-via-php-multi-file-uploads/"
          },
          {
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            "tags": [
              "Exploit"
            ],
            "url": "https://students.mimuw.edu.pl/~ai292615/php_multipleupload_overwrite.pdf"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-01-28T22:52:26+00:00",
      "cve": "CVE-2012-1172",
      "id": "CVE-2012-1172",
      "initial_release_date": "2012-03-01T00:00:00+00:00",
      "product_status:fixed": "1187",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "php: $_FILES array indexes corruption",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-1172.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-10-08T01:06:30Z",
      "cve": "CVE-2012-1172",
      "id": "CVE-2012-1172",
      "initial_release_date": "2023-02-15T05:48:07Z",
      "product_status:recommended": "281",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2012-1172",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-1172.json",
      "version": "7"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.