Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Forticlient | <= 6.2.1 |
References
- https://danishcyberdefence.dk/blog/forticlient_linuxExploitThird Party Advisory
- https://fortiguard.com/psirt/FG-IR-19-238Vendor Advisory
- https://danishcyberdefence.dk/blog/forticlient_linuxExploitThird Party Advisory
- https://fortiguard.com/psirt/FG-IR-19-238Vendor Advisory
FAQ
What is CVE-2019-16155?
CVE-2019-16155 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 vi...
How severe is CVE-2019-16155?
CVE-2019-16155 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-16155?
Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Forticlient.