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CVE-2014-2743

Estado: ModificadaAlta (7.8)—

plugins/mod_compression.lua in Lightwitch Metronome through 3.4 does not properly restrict the processing of compressed XML elements, which allows remote attackers to cause a denial of service (resource consumption) via a crafted XMPP stream, aka an "xmppbomb" attack.

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)

Lightwitch — Metronome

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2014-2743",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "security@debian.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-04-11T01:55:06.413",
  "references": [
    {
      "url": "http://code.lightwitch.org/metronome/rev/49f47277a411",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2014/04/07/7",
      "source": "security@debian.org"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2014/04/09/1",
      "source": "security@debian.org"
    },
    {
      "url": "http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/",
      "source": "security@debian.org"
    },
    {
      "url": "http://code.lightwitch.org/metronome/rev/49f47277a411",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2014/04/07/7",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2014/04/09/1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://xmpp.org/resources/security-notices/uncontrolled-resource-consumption-with-highly-compressed-xmpp-stanzas/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "plugins/mod_compression.lua in Lightwitch Metronome through 3.4 does not properly restrict the processing of compressed XML elements, which allows remote attackers to cause a denial of service (resource consumption) via a crafted XMPP stream, aka an \"xmppbomb\" attack."
    },
    {
      "lang": "es",
      "value": "plugins/mod_compression.lua en Lightwitch Metronome hasta 3.4 no restringe debidamente el procesamiento de elementos XML comprimidos, lo que permite a atacantes remotos causar una denegación de servicio (consumo de recursos) a través de una cadena XMPP manipulada, también conocido como un ataque \"xmppbomb\"."
    }
  ],
  "lastModified": "2026-06-17T00:07:05.697",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lightwitch:metronome:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B9EEE202-6A1C-4F03-AB6B-0055E44AC19C",
              "versionEndIncluding": "3.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@debian.org"
}