CVE-2006-3854

Estado: ModificadaAlta (7.5)—

Buffer overflow in IBM Informix Dynamic Server (IDS) 9.40.TC7, 9.40.TC8, 10.00.TC4, and 10.00.TC5, when running on Windows, allows remote attackers to execute arbitrary code via a long username, which causes an overflow in vsprintf when displaying in the resulting error message. NOTE: this issue is due to an incomplete fix for CVE-2006-3853.

CVSS

Versión: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.70%
Percentil entre todas las CVEs puntuadas: 89
Fecha de la puntuación: 6/10/2026

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)

IBM — Informix Dynamic Database Server

CWE

NVD-CWE-Other

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2006-3854",
  "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": true,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-08-17T01:04:00.000",
  "references": [
    {
      "url": "http://securityreason.com/securityalert/1409",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.databasesecurity.com/informix/DatabaseHackersHandbook-AttackingInformix.pdf",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/443133/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/443150/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28381",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/1409",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.databasesecurity.com/informix/DatabaseHackersHandbook-AttackingInformix.pdf",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/443133/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/443150/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28381",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in IBM Informix Dynamic Server (IDS) 9.40.TC7, 9.40.TC8, 10.00.TC4, and 10.00.TC5, when running on Windows, allows remote attackers to execute arbitrary code via a long username, which causes an overflow in vsprintf when displaying in the resulting error message.  NOTE: this issue is due to an incomplete fix for CVE-2006-3853."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en IBM Informix Dynamic Server (IDS) 9.40.TC7, 9.40.TC8, 10.00.TC4, y 10.00.TC5, cuando se ejecuta en Windows, permite a atacantes remotos ejecutar código de su elección medianet un nombre de usuario largo, lo que provoca un desbordamiento en vsprintf cuando se está mostrando el mensaje de error resultante. NOTA: este problema se debe a una solución incompleta de CVE-2006-3853."
    }
  ],
  "lastModified": "2026-06-16T22:27:58.013",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:informix_dynamic_database_server:9.40.tc7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4FE22C67-C698-4A4D-83C5-3B208D11A655"
            },
            {
              "criteria": "cpe:2.3:a:ibm:informix_dynamic_database_server:9.40.tc8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D973568E-735A-45AB-BF95-90D7EAE89DED"
            },
            {
              "criteria": "cpe:2.3:a:ibm:informix_dynamic_database_server:10.00.tc4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0CFD3CEB-3221-4051-BE70-DC7D78BBA6A9"
            },
            {
              "criteria": "cpe:2.3:a:ibm:informix_dynamic_database_server:10.00.tc5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DB8B40E5-8808-4AA4-83B5-DD7EC6CB33CD"
            }
          ],
          "operator": "OR"
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      ]
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  ],
  "sourceIdentifier": "cve@mitre.org"
}