description: 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.
problem types: Escalation of privilege
affected:
{
product: Fortinet FortiClientLinux
vendor: Fortinet
versions:
status: affected, version: FortiClientLinux 6.2.1 and below
}