CVE-2024-9050

Estado: AplazadaAlta (7.8)—

A flaw was found in the libreswan client plugin for NetworkManager (NetkworkManager-libreswan), where it fails to properly sanitize the VPN configuration from the local unprivileged user. In this configuration, composed by a key-value format, the plugin fails to escape special characters, leading the application to interpret values as keys. One of the most critical parameters that could be abused by a malicious user is the `leftupdown`key.

Leer descripción completaMostrar menos

This key takes an executable command as a value and is used to specify what executes as a callback in NetworkManager-libreswan to retrieve configuration settings back to NetworkManager. As NetworkManager uses Polkit to allow an unprivileged user to control the system's network configuration, a malicious actor could achieve local privilege escalation and potential code execution as root in the targeted machine by creating a malicious configuration.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 7.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.46%
Percentil entre todas las CVEs puntuadas: 38
Fecha de la puntuación: 6/10/2026

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.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation95 %
Impacto principalT1059 Command and Scripting Interpreterexecution90 %
Impacto secundarioT1548 Abuse Elevation Control Mechanismprivilege escalation85 %

Vulnerabilidad local (AV:L, PR:L) en NetworkManager-libreswan sin interacción: escalada de privilegios mediante parámetro `leftupdown` malformado ejecutado como root, logrando ejecución de código arbitrario.

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 Prevention Privileged Account Management Audit Update Software User Account Management Threat Intelligence Program

Tecnologías afectadas (3)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Libreswan — Libreswan^AI Networkmanager — Networkmanager^AI Networkmanager — Networkmanager-libreswan^AI

CWE

CWE-94

Referencias

JSON original (NVD)

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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2313828",
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      "url": "http://www.openwall.com/lists/oss-security/2024/10/25/1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "weaknesses": [
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      "source": "secalert@redhat.com",
      "description": [
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          "lang": "en",
          "value": "CWE-94"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the libreswan client plugin for NetworkManager (NetkworkManager-libreswan), where it fails to properly sanitize the VPN configuration from the local unprivileged user. In this configuration, composed by a key-value format, the plugin fails to escape special characters, leading the application to interpret values as keys. One of the most critical parameters that could be abused by a malicious user is the `leftupdown`key. This key takes an executable command as a value and is used to specify what executes as a callback in NetworkManager-libreswan to retrieve configuration settings back to NetworkManager. As NetworkManager uses Polkit to allow an unprivileged user to control the system's network configuration, a malicious actor could achieve local privilege escalation and potential code execution as root in the targeted machine by creating a malicious configuration."
    },
    {
      "lang": "es",
      "value": "Se encontró una falla en el complemento de cliente de libreswan para NetworkManager (NetkworkManager-libreswan), donde no puede desinfectar correctamente la configuración de VPN del usuario local sin privilegios. En esta configuración, compuesta por un formato clave-valor, el complemento no puede escapar caracteres especiales, lo que lleva a la aplicación a interpretar los valores como claves. Uno de los parámetros más críticos que un usuario malintencionado podría abusar es la clave `leftupdown`. Esta clave toma un comando ejecutable como valor y se utiliza para especificar lo que se ejecuta como una devolución de llamada en NetworkManager-libreswan para recuperar los ajustes de configuración de nuevo a NetworkManager. Como NetworkManager utiliza Polkit para permitir que un usuario sin privilegios controle la configuración de red del sistema, un actor malintencionado podría lograr una escalada de privilegios local y una posible ejecución de código como root en la máquina de destino."
    }
  ],
  "lastModified": "2026-06-26T00:16:44.917",
  "sourceIdentifier": "secalert@redhat.com"
}