CVE-2019-17652 Memory corruption in Fortinet FortiClientLinux

Medium 6.5 Published Updated

A stack buffer overflow in FortiClient for Linux allows low-privilege users to crash root-privileged processes via crafted IPC requests.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-17652?

CVE-2019-17652 is a medium-severity memory corruption vulnerability in Fortinet Forticlient, published on 6 Feb 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-787

Which versions are affected by CVE-2019-17652?

It affects 1 product.

Products include Fortinet Forticlient.

How do I fix CVE-2019-17652?

No fix has been published for CVE-2019-17652 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-17652 being exploited?

There is no known exploitation of CVE-2019-17652 in the wild and no public exploit code.

All Fortinet Forticlient vulnerabilities

Sources

Also known as GHSA-j454-8m43-mvvq.

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