CVE-2021-42993 Integer overflow in n/a

High 8.8 Published Updated

Local attackers can exploit an integer overflow in the FlexiHub Windows driver to execute arbitrary kernel-mode code or crash the system.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-42993?

CVE-2021-42993 is a high-severity vulnerability in n/a, published on 7 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

FlexiHub For Windows is affected by Integer Overflow. IOCTL Handler 0x22001B in the FlexiHub For Windows above 2.0.4340 below 5.3.14268 allow local attackers to execute arbitrary code in kernel mode or cause a denial of service (memory corruption and OS crash) via specially crafted I/O Request Packet.

Weakness: CWE-190

Which versions are affected by CVE-2021-42993?

It affects 1 product.

Products include Flexihub Flexihub.

How do I fix CVE-2021-42993?

No fix has been published for CVE-2021-42993 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-42993 being exploited?

There is no known exploitation of CVE-2021-42993 in the wild and no public exploit code.

Sources

Also known as GHSA-92j8-9v66-gpxg.

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