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CVE-2025-2814

Estado: AplazadaMedia (4)—

Crypt::CBC versions between 1.21 and 3.05 for Perl may use the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.

This issue affects operating systems where "/dev/urandom'" is unavailable.  In that case, Crypt::CBC will fallback to use the insecure rand() function.

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)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Perl — Crypt CBCAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-2814",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-2814",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-14T18:21:53.532777Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.5
      }
    ]
  },
  "affected": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "affectedData": [
        {
          "repo": "https://github.com/lstein/Lib-Crypt-CBC",
          "vendor": "LDS",
          "product": "Crypt::CBC",
          "versions": [
            {
              "status": "affected",
              "version": "1.21",
              "versionType": "custom",
              "lessThanOrEqual": "3.05"
            }
          ],
          "packageName": "Crypt-CBC",
          "programFiles": [
            "lib/Crypt/CBC.pm"
          ],
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-04-13T00:15:14.997",
  "references": [
    {
      "url": "https://github.com/lstein/Lib-Crypt-CBC/commit/37111f7cd894bcec46156ba7f40a49c126ebf535.patch",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    },
    {
      "url": "https://metacpan.org/dist/Crypt-CBC/source/lib/Crypt/CBC.pm#L777",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    },
    {
      "url": "https://perldoc.perl.org/functions/rand",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    },
    {
      "url": "https://security.metacpan.org/docs/guides/random-data-for-security.html",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "description": [
        {
          "lang": "en",
          "value": "CWE-329"
        },
        {
          "lang": "en",
          "value": "CWE-331"
        },
        {
          "lang": "en",
          "value": "CWE-338"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-338"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Crypt::CBC versions between 1.21 and 3.05 for Perl may use the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.\n\nThis issue affects operating systems where \"/dev/urandom'\" is unavailable.  In that case, Crypt::CBC will fallback to use the insecure rand() function."
    },
    {
      "lang": "es",
      "value": "Las versiones de Crypt::CBC entre la 1.21 y la 3.04 para Perl pueden usar la función rand() como fuente predeterminada de entropía, la cual no es criptográficamente segura, para funciones criptográficas. Este problema afecta a sistemas operativos donde \"/dev/urandom'\" no está disponible. En ese caso, Crypt::CBC recurrirá a la función rand(), que no es segura."
    }
  ],
  "lastModified": "2026-06-17T09:07:39.950",
  "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
}