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CVE-2024-27355

Estado: AnalizadaAlta (7.5)—

Se descubrió un problema en phpseclib 1.x anterior a 1.0.23, 2.x anterior a 2.0.47 y 3.x anterior a 3.0.36. Al procesar el identificador de objeto ASN.1 de un certificado, se puede proporcionar un subidentificador que conduzca a una denegación de servicio (consumo de CPU para decodeOID).

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)

Debian — Debian LinuxPhpseclib — Phpseclib

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-27355",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-27355",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-09T14:10:07.399957Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "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
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*"
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          "vendor": "phpseclib",
          "product": "phpseclib",
          "versions": [
            {
              "status": "affected",
              "version": "1.0",
              "lessThan": "1.0.23",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "2.0",
              "lessThan": "2.0.47",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "3.0",
              "lessThan": "3.0.36",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-03-01T23:15:08.553",
  "references": [
    {
      "url": "https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/phpseclib/phpseclib/blob/978d081fe50ff92879c50ff143c62a143edb0117/phpseclib/File/ASN1.php#L1129",
      "tags": [
        "Product"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://gist.github.com/katzj/ee72f3c2a00590812b2ea3c0c8890e0b",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/phpseclib/phpseclib/blob/978d081fe50ff92879c50ff143c62a143edb0117/phpseclib/File/ASN1.php#L1129",
      "tags": [
        "Product"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00002.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00003.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. When processing the ASN.1 object identifier of a certificate, a sub identifier may be provided that leads to a denial of service (CPU consumption for decodeOID)."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en phpseclib 1.x anterior a 1.0.23, 2.x anterior a 2.0.47 y 3.x anterior a 3.0.36. Al procesar el identificador de objeto ASN.1 de un certificado, se puede proporcionar un subidentificador que conduzca a una denegación de servicio (consumo de CPU para decodeOID)."
    }
  ],
  "lastModified": "2026-06-17T07:19:43.123",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A566C1D0-4B65-4023-80A8-923CC0B656E5",
              "versionEndExcluding": "1.0.23",
              "versionStartIncluding": "1.0.0"
            },
            {
              "criteria": "cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B4B6DD8F-121D-40A5-BB9B-D76F01042563",
              "versionEndExcluding": "2.0.47",
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            },
            {
              "criteria": "cpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "96D4B508-CF51-4C6A-8FF3-F09A7117E613",
              "versionEndExcluding": "3.0.36",
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          "operator": "OR"
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    {
      "nodes": [
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          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
            }
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}