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CVE-2008-3687

Estado: ModificadaMedia (6.8)—

Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall.

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)

XEN — XENXEN — XEN Flask Module

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2008-3687",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "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": "2008-08-14T22:41:00.000",
  "references": [
    {
      "url": "http://invisiblethingslab.com/bh08/part2.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/31561",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://theinvisiblethings.blogspot.com/2008/08/our-xen-0wning-trilogy-highlights.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.nabble.com/-PATCH--XSM--FLASK--Argument-handling-bugs-in-XSM:FLASK-to18536032.html",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/30834",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1020731",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/2426",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44608",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://invisiblethingslab.com/bh08/part2.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/31561",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://theinvisiblethings.blogspot.com/2008/08/our-xen-0wning-trilogy-highlights.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.nabble.com/-PATCH--XSM--FLASK--Argument-handling-bugs-in-XSM:FLASK-to18536032.html",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/30834",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1020731",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/2426",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://xenbits.xensource.com/xen-3.3-testing.hg?rev/fa66b33f975a",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/44608",
      "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": "Heap-based buffer overflow in the flask_security_label function in Xen 3.3, when compiled with the XSM:FLASK module, allows unprivileged domain users (domU) to execute arbitrary code via the flask_op hypercall."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de búfer basado en pila en la función flask_security_label en Xen 3.3, cuando se compila con el modulo XSM:FLASK, permite que usuarios del dominio (domU) sin privilegios  puedan ejecutar código arbitrario a través de la hiperllamada flask_op."
    }
  ],
  "lastModified": "2026-06-16T22:56:18.840",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:xen:xen:3.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5F9085E5-0CB2-4828-A03A-3C8AA749F0AF"
            },
            {
              "criteria": "cpe:2.3:a:xen:xen_flask_module:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2524E7D8-46BD-4D52-A968-6A7F69395D9D"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Not vulnerable. This issue did not affect the version of Xen hypervisor as shipped with Red Hat Enterprise Linux 5, as it does not support XSM.",
      "lastModified": "2008-08-21T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}