Buffer overflow in Fortinet Forticlient
CVE-2019-17652
A stack buffer overflow vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to cause FortiClient processes running under root priviledge crashes via sending specially crafted "StartAvCustomScan" type IPC client requests to the fctsched process due the argv data not been well sanitized.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Fortinet Forticlient
- Fortinet Forticlientlinux — versions FortiClientLinux 6.2.1 and below
Weakness classification (CWE)
References
- fortiguard.com/psirt/FG-IR-19-238 (Vendor Advisory)
- danishcyberdefence.dk/blog/forticlient_linux (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-17652?
- CVE-2019-17652 is a medium-severity vulnerability in Fortinet Forticlient, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2020-02-06.
- How severe is CVE-2019-17652?
- Medium severity. CVSS v3 base score is 6.5 out of 10.