FKIE_CVE-2011-4584

Vulnerability from fkie_nvd - Published: 2012-07-20 10:40 - Updated: 2026-06-16 23:35
Severity
Summary
The MNET authentication functionality in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote authenticated users to impersonate other user accounts by using the Login As feature in conjunction with a remote MNET single sign-on capability, as demonstrated by a Mahara site.
References
secalert@redhat.comhttp://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=10df8657c1c138c0d0ab1d4796c552fcec0c299b
secalert@redhat.comhttp://moodle.org/mod/forum/discuss.php?d=191751Vendor Advisory
secalert@redhat.comhttp://www.debian.org/security/2012/dsa-2421
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=761248
af854a3a-2127-422b-91ae-364da2661108http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=10df8657c1c138c0d0ab1d4796c552fcec0c299b
af854a3a-2127-422b-91ae-364da2661108http://moodle.org/mod/forum/discuss.php?d=191751Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2012/dsa-2421
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=761248
Impacted products
Vendor Product Version
moodle moodle 1.9.1
moodle moodle 1.9.2
moodle moodle 1.9.3
moodle moodle 1.9.4
moodle moodle 1.9.5
moodle moodle 1.9.6
moodle moodle 1.9.7
moodle moodle 1.9.8
moodle moodle 1.9.9
moodle moodle 1.9.10
moodle moodle 1.9.11
moodle moodle 1.9.12
moodle moodle 1.9.13
moodle moodle 1.9.14
moodle moodle 2.0.0
moodle moodle 2.0.1
moodle moodle 2.0.2
moodle moodle 2.0.3
moodle moodle 2.0.4
moodle moodle 2.0.5
moodle moodle 2.1.0
moodle moodle 2.1.1
moodle moodle 2.1.2
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "24F2602B-8ED3-4026-A9A4-31BE8BDC7724",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "D7F24649-B67F-4809-9F54-7B623AEF5A4A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "6B81655E-C3B5-4115-A4C4-B7AC2FCDAB7F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "ED9C3840-66BE-47EC-9F0C-E9D2171FF0B2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "DBD062EB-1B1F-4DC8-A4F9-C2EC7D401E9D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "291F73E9-1059-4E7F-860F-0DF2A35AA456",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "0EB5859E-0996-46B5-BB44-34BD6EACBCF5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "F87F6707-99AB-478A-909D-1D87298D5514",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.9:*:*:*:*:*:*:*",
              "matchCriteriaId": "4BCE8B26-58BB-471C-B291-E6AE22B96C5B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "768CE5AF-955B-4148-998A-A46BBDBA618B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.11:*:*:*:*:*:*:*",
              "matchCriteriaId": "4283440F-9B21-4CE9-81FF-79DF3DEDCEE7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.12:*:*:*:*:*:*:*",
              "matchCriteriaId": "A989FADA-89C3-472B-86BF-0630D1CBBCA8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.13:*:*:*:*:*:*:*",
              "matchCriteriaId": "4FAF84CB-46F1-4F37-BBAC-1CED0600B5B0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:1.9.14:*:*:*:*:*:*:*",
              "matchCriteriaId": "8FCA633D-E6CA-4D38-937B-9F83179CDAEA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DD248A1D-CACC-4E76-925A-078B736442AE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.0.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "9B8A0403-0869-495F-B7C0-13A387549C7A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.0.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "39791F43-CF89-485B-AA8B-634C282BB025",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.0.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "428E4846-8C9E-4592-8437-88FCDCED704D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.0.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "A4096977-3258-48B0-9C7B-D43FBC8BB1EA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.0.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "448E5353-CD0E-407C-84F4-5E6D014A28FE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "18C6F348-DAE9-4440-8B3A-8D92ADC6606F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.1.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "367537BF-CBDF-4CBB-91B4-6E5A567EF605",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:moodle:moodle:2.1.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "DABBF325-C48A-4838-AC5D-0565C78976CD",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The MNET authentication functionality in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote authenticated users to impersonate other user accounts by using the Login As feature in conjunction with a remote MNET single sign-on capability, as demonstrated by a Mahara site."
    },
    {
      "lang": "es",
      "value": "La funcionalidad de autenticaci\u00f3n MNET en Moodle v1.9.x antes de v1.9.15, v2.0.x antes de v2.0.6 y v2.1.x antes de v2.1.3 permite hacerse pasar por otras cuentas de usuario a usuarios remotos autenticados mediante el uso de la funcionalidad \"Login As\" junto con una funcionalidad remota de inicio de sesi\u00f3n \u00fanico (Single-Sign-On), tal y como lo demuestra un sitio hecho con Mahara.\r\n"
    }
  ],
  "id": "CVE-2011-4584",
  "lastModified": "2026-06-16T23:35:05.503",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-07-20T10:40:35.847",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=10df8657c1c138c0d0ab1d4796c552fcec0c299b"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://moodle.org/mod/forum/discuss.php?d=191751"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.debian.org/security/2012/dsa-2421"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=761248"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=10df8657c1c138c0d0ab1d4796c552fcec0c299b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://moodle.org/mod/forum/discuss.php?d=191751"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2012/dsa-2421"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=761248"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.