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: 37
- Fecha de la puntuación: 5/10/2026
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.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation95 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 % - Impacto secundario
T1548Abuse 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
Tecnologías afectadas (3)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-94
Referencias
- https://access.redhat.com/errata/RHSA-2024:8312
- https://access.redhat.com/errata/RHSA-2024:8338
- https://access.redhat.com/errata/RHSA-2024:8352
- https://access.redhat.com/errata/RHSA-2024:8353
- https://access.redhat.com/errata/RHSA-2024:8354
- https://access.redhat.com/errata/RHSA-2024:8355
- https://access.redhat.com/errata/RHSA-2024:8356
- https://access.redhat.com/errata/RHSA-2024:8357
- https://access.redhat.com/errata/RHSA-2024:8358
- https://access.redhat.com/errata/RHSA-2024:9555
- https://access.redhat.com/errata/RHSA-2024:9556
- https://access.redhat.com/security/cve/CVE-2024-9050
- https://bugzilla.redhat.com/show_bug.cgi?id=2313828
- https://gitlab.gnome.org/GNOME/NetworkManager-libreswan/-/commit/dcf8acfb25bd31e4b8cbd20c229da660238b5c1b
- https://www.openwall.com/lists/oss-security/2024/10/25/1
- http://www.openwall.com/lists/oss-security/2024/10/25/1
JSON original (NVD)
Mostrar
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"description": [
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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"
}