CVE-2019-16662
Se descubrió un problema en rConfig versión 3.9.2. Un atacante puede ejecutar directamente comandos del sistema mediante el envío de una petición GET en el archivo ajaxServerSettingsChk.php porque el parámetro rootUname es pasado a la función exec sin filtrado, lo que puede conllevar a una ejecución de comando.
CVSS
- Puntuación base
- 9.8
- Versión
- 3.1
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 98 %
- Percentil entre todas las CVEs puntuadas
- 100
- Fecha de la puntuación
- 25/10/2026
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).
Exploits públicos
Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.
- Módulo de Metasploit (exploit fiable y al alcance de cualquiera) · rConfig install Command Execution
- Publicado en Exploit-DB · rConfig - install Command Execution (Metasploit) (8/11/2019)
- Publicado en Exploit-DB · rConfig 3.9.2 - Remote Code Execution (29/10/2019)
- Plantilla de Nuclei (detección automática y masiva) · rConfig 3.9.2 - Remote Code Execution
- Prueba de concepto en GitHub (no verificada) · Lista de pruebas de concepto en GitHub
⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.
Tecnologías afectadas (1)
CWE
- CWE-78
Referencias
Mostrar las 14 referencias
- http://packetstormsecurity.com/files/154999/rConfig-3.9.2-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/155186/rConfig-3.9.2-Command-Injection.html
- https://drive.google.com/file/d/1bTpTn4-alJ8qGCEATLq-oVM6HbhE65iY/view?usp=sharing
- https://drive.google.com/open?id=1OXI5cNuwWqc6y-7BgNCfYHgFPK2cpvnu
- https://gist.github.com/mhaskar/ceb65fa4ca57c3cdccc1edfe2390902e
- https://rconfig.com/download
- https://shells.systems/rconfig-v3-9-2-authenticated-and-unauthenticated-rce-cve-2019-16663-and-cve-2019-16662/
- http://packetstormsecurity.com/files/154999/rConfig-3.9.2-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/155186/rConfig-3.9.2-Command-Injection.html
- https://drive.google.com/file/d/1bTpTn4-alJ8qGCEATLq-oVM6HbhE65iY/view?usp=sharing
- https://drive.google.com/open?id=1OXI5cNuwWqc6y-7BgNCfYHgFPK2cpvnu
- https://gist.github.com/mhaskar/ceb65fa4ca57c3cdccc1edfe2390902e
- https://rconfig.com/download
- https://shells.systems/rconfig-v3-9-2-authenticated-and-unauthenticated-rce-cve-2019-16663-and-cve-2019-16662/
JSON original (NVD)
Mostrar
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