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CVE-2023-0158

Estado: ModificadaAlta (7.5)—

NLnet Labs Krill supports direct access to the RRDP repository content through its built-in web server at the "/rrdp" endpoint. Prior to 0.12.1 a direct query for any existing directory under "/rrdp/", rather than an RRDP file such as "/rrdp/notification.xml" as would be expected, causes Krill to crash. If the built-in "/rrdp" endpoint is exposed directly to the internet, then malicious remote parties can cause the publication server to crash. The repository content is not affected by this, but the availability of the server and repository can cause issues if this attack is persistent and is not mitigated.

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)

Nlnetlabs — Krill

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-0158",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-0158",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-04T18:49:19.145812Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "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
      },
      {
        "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
      }
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  },
  "affected": [
    {
      "source": "sep@nlnetlabs.nl",
      "affectedData": [
        {
          "vendor": "NLnet Labs",
          "product": "Krill",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "0.12.0"
            }
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      ]
    }
  ],
  "published": "2023-01-17T17:15:11.837",
  "references": [
    {
      "url": "https://www.nlnetlabs.nl/downloads/krill/CVE-2023-0158.txt",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "sep@nlnetlabs.nl"
    },
    {
      "url": "https://www.nlnetlabs.nl/downloads/krill/CVE-2023-0158.txt",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "sep@nlnetlabs.nl",
      "description": [
        {
          "lang": "en",
          "value": "CWE-248"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "NLnet Labs Krill supports direct access to the RRDP repository content through its built-in web server at the \"/rrdp\" endpoint. Prior to 0.12.1 a direct query for any existing directory under \"/rrdp/\", rather than an RRDP file such as \"/rrdp/notification.xml\" as would be expected, causes Krill to crash. If the built-in \"/rrdp\" endpoint is exposed directly to the internet, then malicious remote parties can cause the publication server to crash. The repository content is not affected by this, but the availability of the server and repository can cause issues if this attack is persistent and is not mitigated."
    },
    {
      "lang": "es",
      "value": "NLnet Labs Krill admite el acceso directo al contenido del repositorio RRDP a través de su servidor web integrado en el endpoint \"/rrdp\". Antes de 0.12.1, una consulta directa a cualquier directorio existente en \"/rrdp/\", en lugar de un archivo RRDP como \"/rrdp/notification.xml\" como se esperaría, provocaba que Krill fallara. Si el endpoint integrado \"/rrdp\" se expone directamente a Internet, partes remotas maliciosas pueden provocar que el servidor de publicación falle. El contenido del repositorio no se ve afectado por esto, pero la disponibilidad del servidor y el repositorio puede causar problemas si este ataque es persistente y no se mitiga."
    }
  ],
  "lastModified": "2026-06-17T05:24:55.367",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nlnetlabs:krill:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C29A18F4-74BB-4FDD-B080-1F63A74628CD",
              "versionEndExcluding": "0.12.1"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "sep@nlnetlabs.nl"
}