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CVE-2014-8240

Estado: ModificadaAlta (7.5)—

Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow, a similar issue to CVE-2014-6051.

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)

Tigervnc — Tigervnc

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2014-8240",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-10-16T19:55:14.583",
  "references": [
    {
      "url": "http://seclists.org/oss-sec/2014/q4/278",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://seclists.org/oss-sec/2014/q4/300",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/70391",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1151307",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96947",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/201612-36",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://seclists.org/oss-sec/2014/q4/278",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/oss-sec/2014/q4/300",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/70391",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1151307",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/96947",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201612-36",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow, a similar issue to CVE-2014-6051."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de enteros en TigerVNC permite a servidores remotos VNC causar una denegación de servicio (caída) y posiblemente ejecutar código arbitrario a través de vectores relacionados con el manejo de la pantalla, lo que provoca un desbordamiento de buffer basado en memoria , un fallo similar a CVE-2014-6051."
    }
  ],
  "lastModified": "2026-06-17T00:16:28.117",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tigervnc:tigervnc:0.0.90:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7A2445F5-A664-47E6-B3D0-4F9E30348A6D"
            },
            {
              "criteria": "cpe:2.3:a:tigervnc:tigervnc:0.0.91:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BD402007-3C2E-4889-93B0-3A74C104E868"
            },
            {
              "criteria": "cpe:2.3:a:tigervnc:tigervnc:1.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8FE06EDD-099D-4346-986B-6A0DA6130541"
            },
            {
              "criteria": "cpe:2.3:a:tigervnc:tigervnc:1.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9B633044-EA51-4A5A-845D-06064CFBCA40"
            },
            {
              "criteria": "cpe:2.3:a:tigervnc:tigervnc:1.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "64D27895-7CD8-4AF4-A392-04B4D8EDFA87"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}