FKIE_CVE-2009-4449

Vulnerability from fkie_nvd - Published: 2009-12-29 20:41 - Updated: 2026-04-23 00:35
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Directory traversal vulnerability in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, when changing the user avatar from the gallery, allows remote authenticated users to determine the existence of files via directory traversal sequences in the avatar and possibly the gallery parameters, related to (1) admin/modules/user/users.php and (2) usercp.php.
References
cve@mitre.orghttp://blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/Release Notes
cve@mitre.orghttp://dev.mybboard.net/issues/617Broken Link
cve@mitre.orghttp://dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/admin/modules/user/users.phpBroken Link, Exploit
cve@mitre.orghttp://dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/usercp.phpBroken Link, Exploit
cve@mitre.orghttp://openwall.com/lists/oss-security/2010/10/08/7Mailing List
cve@mitre.orghttp://openwall.com/lists/oss-security/2010/10/11/8Mailing List
cve@mitre.orghttp://openwall.com/lists/oss-security/2010/12/06/2Mailing List
cve@mitre.orghttp://osvdb.org/61359Broken Link
cve@mitre.orghttp://secunia.com/advisories/37906Broken Link, Vendor Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/37489Broken Link, Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.vupen.com/english/advisories/2009/3651Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/Release Notes
af854a3a-2127-422b-91ae-364da2661108http://dev.mybboard.net/issues/617Broken Link
af854a3a-2127-422b-91ae-364da2661108http://dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/admin/modules/user/users.phpBroken Link, Exploit
af854a3a-2127-422b-91ae-364da2661108http://dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/usercp.phpBroken Link, Exploit
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2010/10/08/7Mailing List
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2010/10/11/8Mailing List
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2010/12/06/2Mailing List
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/61359Broken Link
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/37906Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/37489Broken Link, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2009/3651Permissions Required, Vendor Advisory
Impacted products
Vendor Product Version
mybb mybb 1.4.10
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mybb:mybb:1.4.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "1FF9452B-CF4B-45F0-8487-23D9CCBB1A4A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Directory traversal vulnerability in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, when changing the user avatar from the gallery, allows remote authenticated users to determine the existence of files via directory traversal sequences in the avatar and possibly the gallery parameters, related to (1) admin/modules/user/users.php and (2) usercp.php."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de salto de directorio en MyBB (MyBulletinBoard) v1.4.10, y posiblemente versiones anteriores. Cuando se cambia el avatar de usuario desde la galer\u00eda, permite a usuarios remotos autenticados determinar la existencia de ficheros a trav\u00e9s de secuencias de salto de directorio en el avatar y posiblemente los par\u00e1metros de la galer\u00eda. Relacionado con (1) admin/modules/user/users.php y (2) usercp.php."
    }
  ],
  "id": "CVE-2009-4449",
  "lastModified": "2026-04-23T00:35:47.467",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 6.3,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:S/C:C/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.8,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2009-12-29T20:41:20.500",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "http://blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://dev.mybboard.net/issues/617"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Exploit"
      ],
      "url": "http://dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/admin/modules/user/users.php"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Exploit"
      ],
      "url": "http://dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/usercp.php"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List"
      ],
      "url": "http://openwall.com/lists/oss-security/2010/10/08/7"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List"
      ],
      "url": "http://openwall.com/lists/oss-security/2010/10/11/8"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List"
      ],
      "url": "http://openwall.com/lists/oss-security/2010/12/06/2"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "http://osvdb.org/61359"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/37906"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/37489"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2009/3651"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "http://blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://dev.mybboard.net/issues/617"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Exploit"
      ],
      "url": "http://dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/admin/modules/user/users.php"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Exploit"
      ],
      "url": "http://dev.mybboard.net/projects/mybb/repository/revisions/4663/diff/branches/1.4-stable/usercp.php"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "http://openwall.com/lists/oss-security/2010/10/08/7"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "http://openwall.com/lists/oss-security/2010/10/11/8"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "http://openwall.com/lists/oss-security/2010/12/06/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "http://osvdb.org/61359"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/37906"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/37489"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Permissions Required",
        "Vendor Advisory"
      ],
      "url": "http://www.vupen.com/english/advisories/2009/3651"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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.


Detection rules are retrieved from Rulezet.