CVE-2018-18555

Critical

Description

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.

SeverityCritical
CVSS9.9
Exploit probability—
ProductVyos
PublishedDec 17, 2018
First seenDec 17, 2018

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
vyos vyos1.1.8—

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