CVE Vulnerability

CVE-2018-18555

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.

9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

9.9 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.1 / Impact : 6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://blog.vyos.io/the-operator-level-is-proved-insecure-and-will-be-removed-in-the-next-releases Exploit Vendor Advisory
Configurations

Configuration 1

cpe:2.3:o:vyos:vyos:1.1.8:*:*:*:*:*:*:*
Information

Published : 2018-12-17 07:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-18555

Mitre link : CVE-2018-18555

Products Affected
No products.
CWE
CWE-78