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CVE-2023-1894

Estado: ModificadaMedia (5.3)—

A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly slowed down server operations.

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)

Puppet — Puppet EnterprisePuppet — Puppet Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-1894",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-1894",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-01-29T17:55:33.524827Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/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": 3.9
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/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"
        },
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        "exploitabilityScore": 3.9
      }
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  },
  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "Puppet",
          "product": "Puppet Enterprise",
          "versions": [
            {
              "status": "affected",
              "version": "2021.7.1",
              "lessThan": "2021.7.3",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "2023.0.0",
              "lessThan": "2023.1.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
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          "product": "Puppet Server",
          "versions": [
            {
              "status": "affected",
              "version": "7.9.2",
              "lessThan": "7.11.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "7.9.2",
              "lessThan": "8.0.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2023-05-04T23:15:08.763",
  "references": [
    {
      "url": "https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@puppet.com"
    },
    {
      "url": "https://www.puppet.com/security/cve/cve-2023-1894-puppet-server-redos",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1333"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly slowed down server operations."
    }
  ],
  "lastModified": "2026-06-17T05:28:58.923",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:puppet:puppet_enterprise:2021.7.1:*:*:*:*:*:*:*",
              "vulnerable": true,
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            },
            {
              "criteria": "cpe:2.3:a:puppet:puppet_enterprise:2023.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "079FC111-2839-4137-929E-A7B9C5483B17"
            },
            {
              "criteria": "cpe:2.3:a:puppet:puppet_server:7.9.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3AF0F8C5-2A05-4E53-9EF7-D546500C4F3D"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@puppet.com"
}