Command-line argument injection attack in Kubernetes - CVE-2018-1002101

 

Command-line argument injection attack in Kubernetes - CVE-2018-1002101

Published: December 7, 2018 / Updated: December 10, 2018


Vulnerability identifier: #VU16340
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Amber
CVE-ID: CVE-2018-1002101
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Kubernetes
Affected software:
Kubernetes

Detailed vulnerability description

The vulnerability allows a remote authenticated attacker to conduct a command-line argument injection attack on a targeted system.

The vulnerability exists due to improper handling user-supplied input when Server Message Block (SMB) volumes are mounted on Windows nodes. A remote authenticated attacker can send specially crafted input to a targeted system while setting up an SMB volume mount, conduct a command-line argument injection attack, which the attacker could use to execute arbitrary code or access or modify sensitive information.


How to mitigate CVE-2018-1002101

Install update from vendor's website.

Sources