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CVE-2012-0943

Estado: ModificadaBaja (2.1)—

debian/guest-account in Light Display Manager (lightdm) 1.0.x before 1.0.6 and 1.1.x before 1.1.7, as used in Ubuntu Linux 11.10, allows local users to delete arbitrary files via a space in the name of a file in /tmp. NOTE: this identifier was SPLIT per ADT1/ADT2 due to different codebases and affected versions. CVE-2012-6648 has been assigned for the gdm-guest-session issue.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Canonical — Ubuntu LinuxRobert Ancell — Lightdm

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2012-0943",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "security@ubuntu.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-05-22T23:55:02.830",
  "references": [
    {
      "url": "http://www.ubuntu.com/usn/USN-1399-2",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/%2Bsource/lightdm/%2Bbug/953044",
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://launchpadlibrarian.net/96471251/lightdm.secure-cleanup.debdiff",
      "source": "security@ubuntu.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1399-2",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/%2Bsource/lightdm/%2Bbug/953044",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://launchpadlibrarian.net/96471251/lightdm.secure-cleanup.debdiff",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "debian/guest-account in Light Display Manager (lightdm) 1.0.x before 1.0.6 and 1.1.x before 1.1.7, as used in Ubuntu Linux 11.10, allows local users to delete arbitrary files via a space in the name of a file in /tmp.  NOTE: this identifier was SPLIT per ADT1/ADT2 due to different codebases and affected versions. CVE-2012-6648 has been assigned for the gdm-guest-session issue."
    },
    {
      "lang": "es",
      "value": "debian/guest-account en Light Display Manager (lightdm) 1.0.x anterior a 1.0.6 y 1.1.x anterior a 1.1.7, utilizad en Ubuntu Linux 11.10, permite a usuarios locales eliminar archivos arbitrarios a través de un espacio en el nombre de un archivo en /tmp. NOTA: este identificador fue dividido (SPLIT) por ADT1/ADT2 debido a diferentes bases de código y versiones afectadas. CVE-2012-6648 ha sido asignado para el problema gdm-guest-session."
    }
  ],
  "lastModified": "2026-06-16T23:38:33.143",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "869A987D-539F-4677-A508-B594D0AC4ECD"
            },
            {
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            },
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            },
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            },
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              "matchCriteriaId": "86596550-6C3B-4C70-BAF6-32E0753FE0A1"
            },
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            },
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              "vulnerable": true,
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            },
            {
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            },
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              "vulnerable": true,
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            }
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          "operator": "OR"
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  ],
  "sourceIdentifier": "security@ubuntu.com"
}