CVE-2021-22130 Memory corruption in Fortinet FortiProxy
An authenticated remote attacker can cause a denial of service in FortiProxy by triggering a stack-based buffer overflow via a large cpuset mask value.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22130?
CVE-2021-22130 is a medium-severity memory corruption vulnerability in Fortinet Fortiproxy, published on 3 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A stack-based buffer overflow vulnerability in FortiProxy physical appliance CLI 2.0.0 to 2.0.1, 1.2.0 to 1.2.9, 1.1.0 to 1.1.6, 1.0.0 to 1.0.7 may allow an authenticated, remote attacker to perform a Denial of Service attack by running the `diagnose sys cpuset` with a large cpuset mask value. Fortinet is not aware of any successful exploitation of this vulnerability that would lead to code execution.
Weakness: CWE-787
Which versions are affected by CVE-2021-22130?
It affects 1 product.
Products include Fortinet Fortiproxy.
How do I fix CVE-2021-22130?
No fix has been published for CVE-2021-22130 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-2021-22130 being exploited?
There is no known exploitation of CVE-2021-22130 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortiproxy
Sources
Also known as GHSA-r6h6-26c6-pwfv.