« Volver al listado

CVE-2024-48992

Estado: ModificadaAlta (7.8)—

Qualys discovered that needrestart, before version 3.8, allows local attackers to execute arbitrary code as root by tricking needrestart into running the Ruby interpreter with an attacker-controlled RUBYLIB environment variable.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Acceso local (AV:L) sin interacción (UI:N) permite escalada de privilegios mediante manipulación de RUBYLIB. Consigue ejecución arbitraria como root por secuestro de librería (T1574.007) y ejecución de código (T1059).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Execution PreventionAuditThreat Intelligence ProgramRestrict Web-Based ContentRestrict File and Directory PermissionsPrivileged Account Management

Tecnologías afectadas (1)

Needrestart Project — Needrestart

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2024-48992",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-48992",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-11-19T19:31:29.009180Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security@ubuntu.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@ubuntu.com",
      "affectedData": [
        {
          "repo": "https://github.com/liske/needrestart",
          "vendor": "needrestart",
          "product": "needrestart",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "3.8",
              "versionType": "semver"
            }
          ],
          "platforms": [
            "Linux"
          ],
          "packageName": "needrestart"
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:needrestart_project:needrestart:-:*:*:*:*:*:*:*"
          ],
          "vendor": "needrestart_project",
          "product": "needrestart",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "3.8",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-11-19T18:15:21.897",
  "references": [
    {
      "url": "https://github.com/liske/needrestart/commit/b5f25f6ec6e7dd0c5be249e4e45de4ee9ffe594f",
      "tags": [
        "Patch"
      ],
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-48992",
      "tags": [
        "VDB Entry"
      ],
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://www.qualys.com/2024/11/19/needrestart/needrestart.txt",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@ubuntu.com"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2024/Nov/17",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00014.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2024/11/19/1",
      "tags": [
        "Mailing List"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-427"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Qualys discovered that needrestart, before version 3.8, allows local attackers to execute arbitrary code as root by tricking needrestart into running the Ruby interpreter with an attacker-controlled RUBYLIB environment variable."
    },
    {
      "lang": "es",
      "value": "Qualys descubrió que needrestart, antes de la versión 3.8, permite a atacantes locales ejecutar código arbitrario como superusuario engañando a needrestart para que ejecute el intérprete de Ruby con una variable de entorno RUBYLIB controlada por el atacante."
    }
  ],
  "lastModified": "2026-06-17T07:59:12.013",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:needrestart_project:needrestart:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C03A2810-FF65-4ECC-B74A-0C081E4EC149",
              "versionEndExcluding": "3.8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@ubuntu.com"
}