Main Vulnerability Database Vulnerabilities #VU34830

Improper Authentication in LXS - CVE-2017-18641

Published: February 10, 2020 / Updated: August 8, 2020

Vulnerability identifier: #VU34830

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2017-18641

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Linux Containers

Affected software:
LXS

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers.

Install update from vendor's website.