CVE-2018-18555

Published Dec 17, 2018

Last updated 5 years ago

Overview

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.
Source
cve@mitre.org
NVD status
Analyzed

Risk scores

CVSS 3.0

Type
Primary
Base score
9.9
Impact score
6
Exploitability score
3.1
Vector string
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Severity
CRITICAL

CVSS 2.0

Type
Primary
Base score
9
Impact score
10
Exploitability score
8
Vector string
AV:N/AC:L/Au:S/C:C/I:C/A:C

Weaknesses

nvd@nist.gov
CWE-78

Social media

Hype score
Not currently trending

Configurations