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CVE-2013-6891

Estado: ModificadaBaja (1.2)—

lppasswd in CUPS before 1.7.1, when running with setuid privileges, allows local users to read portions of arbitrary files via a modified HOME environment variable and a symlink attack involving .cups/client.conf.

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)

Apple — CupsCanonical — Ubuntu Linux

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2013-6891",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 1.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:H/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 1.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-01-26T01:55:09.563",
  "references": [
    {
      "url": "http://advisories.mageia.org/MGASA-2014-0021.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/56531",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.cups.org/blog.php?L704",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.cups.org/str.php?L4319",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:015",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2082-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://advisories.mageia.org/MGASA-2014-0021.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/56531",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.cups.org/blog.php?L704",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.cups.org/str.php?L4319",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:015",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2082-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "lppasswd in CUPS before 1.7.1, when running with setuid privileges, allows local users to read portions of arbitrary files via a modified HOME environment variable and a symlink attack involving .cups/client.conf."
    },
    {
      "lang": "es",
      "value": "lppasswd en CUPS anteriores a 1.7.1, cuando se ejecuta con privilegios setuid, permite a usuarios locales leer porciones de archivos arbitrarios a través de una variable de entorno HOME modificada y un ataque symlink que involucra .cups/client.conf"
    }
  ],
  "lastModified": "2026-06-17T00:01:05.653",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:apple:cups:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "96BCA869-A0D7-43CD-AEE1-2946FFFFFD25",
              "versionEndIncluding": "1.7.0"
            },
            {
              "criteria": "cpe:2.3:a:apple:cups:1.7:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "055893FF-4833-4BDC-9C6B-B4BDD0F59942"
            },
            {
              "criteria": "cpe:2.3:a:apple:cups:1.7.1:b1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "54164748-5511-4B90-BD1B-75C0D89532A3"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E2076871-2E80-4605-A470-A41C1A8EC7EE"
            },
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              "vulnerable": true,
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            },
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            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}