FKIE_CVE-2010-4626

Vulnerability from fkie_nvd - Published: 2010-12-30 21:00 - Updated: 2026-04-29 01:13
Severity
Summary
The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which makes it easier for remote attackers to obtain access to an arbitrary account by requesting a reset of the account's password, and then conducting a brute-force attack.
References
cve@mitre.orghttp://blog.mybb.com/2010/04/13/mybb-1-4-12-released-security-maintenance-update/
cve@mitre.orghttp://dev.mybboard.net/issues/843
cve@mitre.orghttp://dev.mybboard.net/projects/mybb/repository/revisions/4872
cve@mitre.orghttp://openwall.com/lists/oss-security/2010/10/08/7
cve@mitre.orghttp://openwall.com/lists/oss-security/2010/10/11/8
cve@mitre.orghttp://openwall.com/lists/oss-security/2010/12/06/2
cve@mitre.orghttps://exchange.xforce.ibmcloud.com/vulnerabilities/64516
af854a3a-2127-422b-91ae-364da2661108http://blog.mybb.com/2010/04/13/mybb-1-4-12-released-security-maintenance-update/
af854a3a-2127-422b-91ae-364da2661108http://dev.mybboard.net/issues/843
af854a3a-2127-422b-91ae-364da2661108http://dev.mybboard.net/projects/mybb/repository/revisions/4872
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2010/10/08/7
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2010/10/11/8
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2010/12/06/2
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/64516
Impacted products
Vendor Product Version
mybb mybb *
mybb mybb 1.00
mybb mybb 1.01
mybb mybb 1.1.0
mybb mybb 1.1.1
mybb mybb 1.1.2
mybb mybb 1.1.3
mybb mybb 1.1.4
mybb mybb 1.1.5
mybb mybb 1.1.6
mybb mybb 1.1.7
mybb mybb 1.1.8
mybb mybb 1.02
mybb mybb 1.2
mybb mybb 1.2.0
mybb mybb 1.2.1
mybb mybb 1.2.2
mybb mybb 1.2.3
mybb mybb 1.2.4
mybb mybb 1.2.5
mybb mybb 1.2.6
mybb mybb 1.2.7
mybb mybb 1.2.8
mybb mybb 1.2.9
mybb mybb 1.2.10
mybb mybb 1.2.11
mybb mybb 1.2.12
mybb mybb 1.2.13
mybb mybb 1.03
mybb mybb 1.04
mybb mybb 1.4.0
mybb mybb 1.4.2
mybb mybb 1.4.3
mybb mybb 1.4.6
mybb mybb 1.4.8
mybb mybb 1.4.9
mybb mybb 1.4.10
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The my_rand function in functions.php in MyBB (aka MyBulletinBoard) before 1.4.12 does not properly use the PHP mt_rand function, which makes it easier for remote attackers to obtain access to an arbitrary account by requesting a reset of the account\u0027s password, and then conducting a brute-force attack."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n my_rand de functions.php de MyBB (MyBulletinBoard) en versiones anteriores a la 1.4.12 no utiliza apropiadamente la funci\u00f3n de PHP mt_rand, lo que facilita a atacantes remotos obtener acceso a cuentas de su elecci\u00f3n solicitando un reinicio de la contrase\u00f1a de la cuenta y, a continuaci\u00f3n, realizando un ataque de fuerza bruta."
    }
  ],
  "id": "CVE-2010-4626",
  "lastModified": "2026-04-29T01:13:23.040",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "HIGH",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 4.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": true,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2010-12-30T21:00:02.550",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://blog.mybb.com/2010/04/13/mybb-1-4-12-released-security-maintenance-update/"
    },
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      "source": "cve@mitre.org",
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      "source": "cve@mitre.org",
      "url": "http://dev.mybboard.net/projects/mybb/repository/revisions/4872"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://openwall.com/lists/oss-security/2010/10/08/7"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://openwall.com/lists/oss-security/2010/10/11/8"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://openwall.com/lists/oss-security/2010/12/06/2"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64516"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://blog.mybb.com/2010/04/13/mybb-1-4-12-released-security-maintenance-update/"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://dev.mybboard.net/issues/843"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://dev.mybboard.net/projects/mybb/repository/revisions/4872"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://openwall.com/lists/oss-security/2010/10/08/7"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://openwall.com/lists/oss-security/2010/10/11/8"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://openwall.com/lists/oss-security/2010/12/06/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64516"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ],
      "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.