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CVE-2024-31951

Estado: AnalizadaMedia (6.5)—

In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ext_link for OSPF LSA packets during an attempt to read Segment Routing Adjacency SID subTLVs (lengths are not validated).

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)

Frrouting — Frrouting

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-31951",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-31951",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-07-31T18:18:48.809391Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/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": 2.8
      }
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  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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        }
      ]
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  ],
  "published": "2024-04-07T21:15:07.600",
  "references": [
    {
      "url": "https://github.com/FRRouting/frr/pull/15674/",
      "tags": [
        "Issue Tracking"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/FRRouting/frr/pull/15674/commits/344fb4be2bc27316c74b17003c05ea40be395836",
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      "tags": [
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    {
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
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      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ext_link for OSPF LSA packets during an attempt to read Segment Routing Adjacency SID subTLVs (lengths are not validated)."
    },
    {
      "lang": "es",
      "value": "En el analizador Opaque LSA Extended Link de FRRouting (FRR) hasta 9.1, puede haber un desbordamiento del búfer y una falla del daemon en ospf_te_parse_ext_link para paquetes OSPF LSA durante un intento de leer subTLV SID de adyacencia de enrutamiento de segmento (las longitudes no están validadas)."
    }
  ],
  "lastModified": "2026-06-17T07:28:59.690",
  "configurations": [
    {
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          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "9.1"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}