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CVE-2013-1052

Estado: ModificadaAlta (7.2)—

pam.xdg-support, usado en Ubuntu 12.10, no maneja correctamente la variable de entorno PATH, lo que permite a usuarios locales ganar privilegios a través de vectores sin especificar relacionado con sudo.

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 (1)

Canonical — Ubuntu Linux

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2013-1052",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "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": "2013-03-21T17:55:03.087",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/58550",
      "source": "security@ubuntu.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1766-1",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/82918",
      "source": "security@ubuntu.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/58550",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1766-1",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/82918",
      "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": "pam-xdg-support, as used in Ubuntu 12.10, does not properly handle the PATH environment variable, which allows local users to gain privileges via unspecified vectors related to sudo."
    },
    {
      "lang": "es",
      "value": "pam.xdg-support, usado en Ubuntu 12.10, no maneja correctamente la variable de entorno PATH, lo que permite a usuarios locales ganar privilegios a través de vectores sin especificar relacionado con sudo."
    }
  ],
  "lastModified": "2026-06-16T23:50:46.560",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E2076871-2E80-4605-A470-A41C1A8EC7EE"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@ubuntu.com"
}