FKIE_CVE-2011-4613

Vulnerability from fkie_nvd - Published: 2014-02-05 19:55 - Updated: 2026-06-16 23:35
Severity
Summary
The X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not properly verify the TTY of a user who is starting X, which allows local users to bypass intended access restrictions by associating stdin with a file that is misinterpreted as the console TTY.
References
secalert@redhat.comhttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652249Vendor Advisory
secalert@redhat.comhttp://www.debian.org/security/2011/dsa-2364Vendor Advisory
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-1349-1Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652249Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2011/dsa-2364Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-1349-1Vendor Advisory
Impacted products
Vendor Product Version
x.org x_server -
canonical ubuntu_linux 10.04
canonical ubuntu_linux 10.10
canonical ubuntu_linux 11.04
canonical ubuntu_linux 11.10
debian debian_linux *
ubuntu linux *
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:x.org:x_server:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "858025BB-24A3-42C3-B157-486862B37124",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*",
              "matchCriteriaId": "7118F616-25CA-4E34-AA13-4D14BB62419F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "87614B58-24AB-49FB-9C84-E8DDBA16353B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*",
              "matchCriteriaId": "EF49D26F-142E-468B-87C1-BABEA445255C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "E4174F4F-149E-41A6-BBCC-D01114C05F38",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4C8919F1-CD33-437E-9627-69352B276BA3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:ubuntu:linux:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "84BB6CD8-43ED-4998-8D68-6934B93EA833",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not properly verify the TTY of a user who is starting X, which allows local users to bypass intended access restrictions by associating stdin with a file that is misinterpreted as the console TTY."
    },
    {
      "lang": "es",
      "value": "El wrapper de las X de X.org (xserver-wrapper.c) en Debian GNU/Linux and Ubuntu Linux no verifica debidamente la TTY de un usuario que est\u00e1 arrancando las X, lo cual permite a usuarios locales evadir restricciones de acceso mediante las asociaci\u00f3n de stdin con un archivo que es malinterpretado como la consola TTY."
    }
  ],
  "id": "CVE-2011-4613",
  "lastModified": "2026-06-16T23:35:08.707",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2014-02-05T19:55:28.657",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652249"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.debian.org/security/2011/dsa-2364"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-1349-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652249"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.debian.org/security/2011/dsa-2364"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-1349-1"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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