CVE-2006-4812 (GCVE-0-2006-4812)

Vulnerability from cvelistv5 – Published: 2006-10-09 18:00 – Updated: 2024-08-07 19:23
VLAI
Summary
Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).
Severity
No CVSS data available.
CWE
  • n/a
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1039 records in the last 180 days details
References
URL Tags
http://secunia.com/advisories/22300 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/22650 third-party-advisoryx_refsource_SECUNIA
http://securitytracker.com/id?1016984 vdb-entryx_refsource_SECTRACK
http://secunia.com/advisories/22281 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/22338 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/20349 vdb-entryx_refsource_BID
http://www.securityfocus.com/archive/1/448953/100… vendor-advisoryx_refsource_OPENPKG
http://www.gentoo.org/security/en/glsa/glsa-20061… vendor-advisoryx_refsource_GENTOO
http://www.trustix.org/errata/2006/0055 vendor-advisoryx_refsource_TRUSTIX
http://rhn.redhat.com/errata/RHSA-2006-0688.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/usn-362-1 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2006-0708.html vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/22538 third-party-advisoryx_refsource_SECUNIA
http://securityreason.com/securityalert/1691 third-party-advisoryx_refsource_SREASON
http://www.hardened-php.net/advisory_092006.133.html x_refsource_MISC
http://secunia.com/advisories/22533 third-party-advisoryx_refsource_SECUNIA
http://www.hardened-php.net/files/CVE-2006-4812.patch x_refsource_CONFIRM
http://support.avaya.com/elmodocs2/security/ASA-2… x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://cvs.php.net/viewvc.cgi/ZendEngine2/zend_al… x_refsource_CONFIRM
http://lists.suse.com/archive/suse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/archive/1/448014/100… mailing-listx_refsource_BUGTRAQ
http://secunia.com/advisories/22331 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2006/3922 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/22280 third-party-advisoryx_refsource_SECUNIA
http://support.avaya.com/elmodocs2/security/ASA-2… x_refsource_CONFIRM
Date Public
2006-10-05 00:00
Show details on NVD website
To clipboard 

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                  {
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                    "matchCriteriaId": "D61D9CE9-F7A3-4F52-9D4E-B2473804ECB7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:php:php:5.0.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7007E77F-60EF-44D8-9676-15B59DF1325F",
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                  {
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                  {
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                    "matchCriteriaId": "74E7AE59-1CB0-4300-BBE0-109F909789EF",
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                  {
                    "criteria": "cpe:2.3:a:php:php:5.0.3:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9222821E-370F-4616-B787-CC22C2F4E7CD",
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                  {
                    "criteria": "cpe:2.3:a:php:php:5.0.4:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9809449F-9A76-4318-B233-B4C2950A6EA9",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:php:php:5.0.5:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0AA962D4-A4EC-4DC3-B8A9-D10941B92781",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:php:php:5.1.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "F8CDFEF9-C367-4800-8A2F-375C261FAE55",
                    "vulnerable": true
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                  {
                    "criteria": "cpe:2.3:a:php:php:5.1.1:*:*:*:*:*:*:*",
                    "matchCriteriaId": "16E43B88-1563-4EFD-9267-AE3E8C35D67A",
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                  },
                  {
                    "criteria": "cpe:2.3:a:php:php:5.1.2:*:*:*:*:*:*:*",
                    "matchCriteriaId": "11E5715F-A8BC-49EF-836B-BB78E1BC0790",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:php:php:5.1.3:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5FA68843-158E-463E-B68A-1ACF041C4E10",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:php:php:5.1.4:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1874F637-77E2-4C4A-BF92-AEE96A60BFB0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:php:php:5.1.5:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9592B32E-55CD-42D0-901E-8319823BC820",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:php:php:5.1.6:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A9BF34B5-F74C-4D56-9841-42452D60CB87",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c)."
          },
          {
            "lang": "es",
            "value": "Desbordamiento de enteros en PHP 5 hasta la 5.1.6 y 4 anteriorer a 4.3.0 permite a un atacante remoto ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de un argumento a la funcion PHP unserializable con un valor grande para el n\u00famero de elementos del array, lo cual dispara el desbordamiento en la funci\u00f3n ecalloc en Zend Engine (Zend/zend_alloc.c)."
          }
        ],
        "id": "CVE-2006-4812",
        "lastModified": "2026-04-23T00:35:47.467",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 10.0,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 10.0,
              "obtainAllPrivilege": true,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2006-10-10T04:06:00.000",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "http://cvs.php.net/viewvc.cgi/ZendEngine2/zend_alloc.c?r1=1.161\u0026r2=1.162"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.suse.com/archive/suse-security-announce/2006-Oct/0002.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://rhn.redhat.com/errata/RHSA-2006-0688.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2006-0708.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://secunia.com/advisories/22280"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/22281"
          },
          {
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            "url": "http://secunia.com/advisories/22300"
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          {
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          },
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          },
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          },
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            "url": "http://www.hardened-php.net/advisory_092006.133.html"
          },
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            "url": "http://www.hardened-php.net/files/CVE-2006-4812.patch"
          },
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            "url": "http://www.securityfocus.com/archive/1/448014/100/0/threaded"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/archive/1/448953/100/0/threaded"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/bid/20349"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.trustix.org/errata/2006/0055"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/usn-362-1"
          },
          {
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            "url": "http://www.vupen.com/english/advisories/2006/3922"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/29362"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://cvs.php.net/viewvc.cgi/ZendEngine2/zend_alloc.c?r1=1.161\u0026r2=1.162"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.suse.com/archive/suse-security-announce/2006-Oct/0002.html"
          },
          {
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
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            "url": "http://secunia.com/advisories/22300"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/22331"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/22338"
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            "url": "http://secunia.com/advisories/22533"
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          },
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          {
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          },
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            "url": "http://www.hardened-php.net/advisory_092006.133.html"
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          },
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            "url": "http://www.securityfocus.com/archive/1/448953/100/0/threaded"
          },
          {
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            "url": "http://www.securityfocus.com/bid/20349"
          },
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            "url": "http://www.trustix.org/errata/2006/0055"
          },
          {
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            "url": "http://www.ubuntu.com/usn/usn-362-1"
          },
          {
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            "url": "http://www.vupen.com/english/advisories/2006/3922"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/29362"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vendorComments": [
          {
            "comment": "Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.\n\nThis issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 3, and 4.",
            "lastModified": "2008-06-26T00:00:00",
            "organization": "Red Hat"
          }
        ],
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-94"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T13:21:32+00:00",
      "cve": "CVE-2006-4812",
      "id": "CVE-2006-4812",
      "initial_release_date": "2006-09-30T00:00:00+00:00",
      "product_status:fixed": "142",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "security flaw",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2006/cve-2006-4812.json",
      "version": "3"
    }
  }
}



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