CVE-2021-26096 Memory corruption in Fortinet FortiSandbox
An authenticated attacker can exploit heap-based buffer overflows in FortiSandbox to manipulate memory and potentially execute arbitrary code.
- 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-2021-26096?
CVE-2021-26096 is a medium-severity memory corruption vulnerability in Fortinet Fortisandbox, published on 4 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Multiple instances of heap-based buffer overflow in the command shell of FortiSandbox before 4.0.0 may allow an authenticated attacker to manipulate memory and alter its content by means of specifically crafted command line arguments.
Weakness: CWE-787
Which versions are affected by CVE-2021-26096?
It affects 1 product.
Products include Fortinet Fortisandbox.
How do I fix CVE-2021-26096?
No fix has been published for CVE-2021-26096 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-2021-26096 being exploited?
There is no known exploitation of CVE-2021-26096 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortisandbox
Sources
Also known as GHSA-w667-46wg-c64r.