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CVSS: 9.9EPSS: 0%CPEs: 1EXPL: 1

A sandbox escape issue was discovered in VyOS 1.1.8. It provides a restricted management shell for operator users to administer the device. By issuing various shell special characters with certain commands, an authenticated operator user can break out of the management shell and gain access to the underlying Linux shell. The user can then run arbitrary operating system commands with the privileges afforded by their account. Se ha descubierto un problema de escape del sandbox en VyOS 1.1.8. • https://blog.vyos.io/the-operator-level-is-proved-insecure-and-will-be-removed-in-the-next-releases • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') •

CVSS: 9.9EPSS: 1%CPEs: 1EXPL: 3

A privilege escalation issue was discovered in VyOS 1.1.8. The default configuration also allows operator users to execute the pppd binary with elevated (sudo) permissions. Certain input parameters are not properly validated. A malicious operator user can run the binary with elevated permissions and leverage its improper input validation condition to spawn an attacker-controlled shell with root privileges. Se ha descubierto un problema de escalado de privilegios en VyOS 1.1.8. • http://packetstormsecurity.com/files/159234/VyOS-restricted-shell-Escape-Privilege-Escalation.html https://blog.mirch.io/2018/11/05/cve-2018-18556-vyos-privilege-escalation-via-sudo-pppd-for-operator-users https://blog.vyos.io/the-operator-level-is-proved-insecure-and-will-be-removed-in-the-next-releases •