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CVE-2022-42920

Estado: ModificadaCrítica (9.8)—

Apache Commons BCEL has a number of APIs that would normally only allow changing specific class characteristics. However, due to an out-of-bounds writing issue, these APIs can be used to produce arbitrary bytecode. This could be abused in applications that pass attacker-controllable data to those APIs, giving the attacker more control over the resulting bytecode than otherwise expected. Update to Apache Commons BCEL 6.6.0.

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 — Commons BcelFedoraproject — Fedora

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2022-42920",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
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      "source": "security@apache.org",
      "affectedData": [
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          "vendor": "Apache Software Foundation",
          "product": "Apache Commons BCEL",
          "versions": [
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              "version": "Apache Commons BCEL",
              "lessThan": "6.6.0",
              "versionType": "custom"
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  "published": "2022-11-07T13:15:10.270",
  "references": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "security@apache.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
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      "lang": "en",
      "value": "Apache Commons BCEL has a number of APIs that would normally only allow changing specific class characteristics. However, due to an out-of-bounds writing issue, these APIs can be used to produce arbitrary bytecode. This could be abused in applications that pass attacker-controllable data to those APIs, giving the attacker more control over the resulting bytecode than otherwise expected. Update to Apache Commons BCEL 6.6.0."
    },
    {
      "lang": "es",
      "value": "Apache Commons BCEL tiene una serie de API que normalmente solo permitirían cambiar características de clase específicas. Sin embargo, debido a un problema de escritura fuera de límites, estas API se pueden utilizar para producir código de bytes arbitrario. Se podría abusar de esto en aplicaciones que pasan datos controlables por el atacante a esas API, lo que le da al atacante más control sobre el código de bytes resultante del que se esperaría. Actualización a Apache Commons BCEL 6.6.0."
    }
  ],
  "lastModified": "2026-06-17T05:05:35.453",
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