CVE-2019-16155

Public Exploit

Description

A privilege escalation vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to overwrite system files as root with arbitrary content through system backup file via specially crafted "BackupConfig" type IPC client requests to the fctsched process. Further more, FortiClient for Linux 6.2.2 and below allow low privilege user write the system backup file under root privilege through GUI thus can cause root system file overwrite.

7.1

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.04%

Vendor Advisory fortiguard.com

Affected: Fortinet Fortinet FortiClientLinux

References

Link	Tags
https://fortiguard.com/psirt/FG-IR-19-238	vendor advisory
https://danishcyberdefence.dk/blog/forticlient_linux	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-16155?: CVE-2019-16155 has been scored as a high severity vulnerability.
How to fix CVE-2019-16155?: To fix CVE-2019-16155, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-16155 being actively exploited in the wild?: It is possible that CVE-2019-16155 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-16155?: CVE-2019-16155 affects Fortinet Fortinet FortiClientLinux.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.