CVE-2019-16155 Privilege escalation in Fortinet FortiClientLinux
Low-privilege users can overwrite system files as root via crafted IPC requests or GUI actions, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-16155?
CVE-2019-16155 is a high-severity vulnerability in Fortinet Forticlient, published on 7 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2019-16155?
It affects 1 product.
Products include Fortinet Forticlient.
How do I fix CVE-2019-16155?
No fix has been published for CVE-2019-16155 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-16155 being exploited?
There is no known exploitation of CVE-2019-16155 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Forticlient
- CVE-2019-17658 Privilege escalation in Fortinet FortiClientWindows
- CVE-2023-45590 Code injection in FortiClientLinux
- CVE-2017-14184 Information disclosure in FortiClient SSLVPN Client for Linux
- CVE-2016-8493 Privilege escalation in Fortinet FortiClient
- CVE-2020-15934 Privilege escalation in FortiClientLinux
Sources
Also known as GHSA-wrhm-j3m8-m326.