OS Command Injection in firejail - CVE-2020-17367

 

OS Command Injection in firejail - CVE-2020-17367

Published: August 13, 2020


Vulnerability identifier: #VU45676
CSH Severity: High
CVSS v4.0: 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-2020-17367
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: firejail.wordpress.com
Affected software:
firejail

Detailed vulnerability description

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

The vulnerability exists due to application does not honor the -- end-of-options indicator after the --output 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.


How to mitigate CVE-2020-17367

Install updates from vendor's website.

Sources