CVE-2019-17652

moderate-risk
Published 2020-02-06

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.

Do I need to act?

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0.55% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Fortinet

References (4)

Exploit https://danishcyberdefence.dk/blog/forticlient_linux
Vendor Advisory https://fortiguard.com/psirt/FG-IR-19-238
Exploit https://danishcyberdefence.dk/blog/forticlient_linux
Vendor Advisory https://fortiguard.com/psirt/FG-IR-19-238
31
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal