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CVE-2009-2699

Estado: ModificadaAlta (7.5)—

The Solaris pollset feature in the Event Port backend in poll/unix/port.c in the Apache Portable Runtime (APR) library before 1.3.9, as used in the Apache HTTP Server before 2.2.14 and other products, does not properly handle errors, which allows remote attackers to cause a denial of service (daemon hang) via unspecified HTTP requests, related to the prefork and event MPMs.

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)

Apache — Http ServerApache — Portable Runtime

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-2699",
  "cveTags": [],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
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  "affected": [
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      "affectedData": [
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          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2009-10-13T10:30:00.313",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-667"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Solaris pollset feature in the Event Port backend in poll/unix/port.c in the Apache Portable Runtime (APR) library before 1.3.9, as used in the Apache HTTP Server before 2.2.14 and other products, does not properly handle errors, which allows remote attackers to cause a denial of service (daemon hang) via unspecified HTTP requests, related to the prefork and event MPMs."
    },
    {
      "lang": "es",
      "value": "La opción pollset de Solaris en el backend Event Port en poll/unix/port.c en la librería Apache Portable Runtime (APR) anterior v1.3.9, como los usados en Apache HTTP Server atenrior v2.2.14 y otros productos, no manejan adecuadamente los errores, lo que permite a atacantes remotos causar una denegación de servicio (bloqueo del demonio) a través de peticiones HTTP no especificadas, relativas el prefork y eventos MPMs. \r\n"
    }
  ],
  "lastModified": "2026-06-16T23:10:03.520",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2979A101-9EC8-4E80-BFFC-7300F94C8453",
              "versionEndExcluding": "2.2.14",
              "versionStartIncluding": "2.2.0"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "E81FA406-E93A-467B-9822-D9BE0BC73573",
              "versionEndExcluding": "1.3.9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "This flaw does not affect the version of APR shipped in Red Hat Enterprise Linux.\n\nThis flaw affected JBoss Enterprise Web Server running on the Solaris platform. Updated httpd packages are available for download from Customer Support Portal: https://support.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver&downloadType=securityPatches&version=1.0.0",
      "lastModified": "2010-02-23T00:00:00",
      "organization": "Red Hat"
    },
    {
      "comment": "Clarification 1: This issue only affects Solaris 10 and OpenSolaris.  Other versions of Solaris and non-Solaris platforms are not affected.\n\n\nClarification 2: This issue only affects 2.2.x versions of Apache HTTP Server, APR 1.1 through 1.3.8.  APR 0.9.x is not affected.",
      "lastModified": "2010-01-21T00:00:00",
      "organization": "Apache"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}