Missing Authorization in firejail - CVE-2017-5180

 

Missing Authorization in firejail - CVE-2017-5180

Published: February 9, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39669
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-5180
CWE-ID: CWE-862
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: firejail.wordpress.com
Affected software:
firejail

Detailed vulnerability description

The vulnerability allows a local authenticated user to execute arbitrary code.

Firejail before 0.9.44.4 and 0.9.38.x LTS before 0.9.38.8 LTS does not consider the .Xauthority case during its attempt to prevent accessing user files with an euid of zero, which allows local users to conduct sandbox-escape attacks via vectors involving a symlink and the --private option.


How to mitigate CVE-2017-5180

Install update from vendor's website.

Sources