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CVE-2006-5556

Estado: ModificadaMedia (4.6)—💥 Exploit

Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (1)

HP — Hp-ux

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2006-5556",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/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": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "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": "2006-10-27T16:07:00.000",
  "references": [
    {
      "url": "http://blogs.23.nu/prdelka/stories/13144/",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/20718",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/29777",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.exploit-db.com/exploits/2636",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://blogs.23.nu/prdelka/stories/13144/",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/20718",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/29777",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.exploit-db.com/exploits/2636",
      "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 the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en la función localtime_r y otras ciertas funciones, en libc en HP-UX B.11.11 y posiblemente otras versiones permiten usuarios locales ejecutar código de su elección a través de una variable de entorno TZ."
    }
  ],
  "lastModified": "2026-06-16T22:31:26.227",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:hp:hp-ux:11.00:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "771931F7-9180-4EBD-8627-E1CF17D24647"
            },
            {
              "criteria": "cpe:2.3:o:hp:hp-ux:11.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F038B325-A982-43FB-9146-E103CCFB5C41"
            },
            {
              "criteria": "cpe:2.3:o:hp:hp-ux:11.11:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EDD9BE2B-7255-4FC1-B452-E8370632B03F"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "cve@mitre.org"
}