#VU45675 OS Command Injection in firejail - CVE-2020-17368

 

#VU45675 OS Command Injection in firejail - CVE-2020-17368

Published: August 13, 2020


Vulnerability identifier: #VU45675
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-17368
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
firejail
Software vendor:
firejail.wordpress.com

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when processing shell metacharacters  during use of the --output or --output-stderr option. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links