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CVE-2008-1944

Estado: ModificadaAlta (7.2)—

Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer (PVFB) Message 3.0 through 3.0.3 allows local users to cause a denial of service (SDL crash) and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of messages."

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)

Xensource — XEN

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2008-1944",
  "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": [
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      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2008-05-14T18:20:00.000",
  "references": [
    {
      "url": "http://secunia.com/advisories/29963",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2008-0194.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/29186",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1020009",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=443390",
      "source": "secalert@redhat.com"
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    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42388",
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      "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": "Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer (PVFB) Message 3.0 through 3.0.3 allows local users to cause a denial of service (SDL crash) and possibly execute arbitrary code via \"bogus screen updates,\" related to missing validation of the \"format of messages.\""
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de búfer en el backend del búfer de XenSource Xen Para-Virtualized Framebuffer (PVFB) Message versiones 3.0 hasta 3.0.3,  permite a usuarios locales causar una denegación de servicio (bloqueo de SDL) y posiblemente ejecutar código arbitrario por medio  de  \"bogus screen updates,\" relacionadas con la falta de comprobación del  \"format of messages.\""
    }
  ],
  "lastModified": "2026-06-16T22:52:47.970",
  "configurations": [
    {
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  "sourceIdentifier": "secalert@redhat.com"
}