CVE-2021-42988 Memory corruption in n/a

High 8.8 Published Updated

Local attackers can execute arbitrary kernel-mode code or crash the system via a buffer overflow in the USB Network Gate driver's IOCTL handler.

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-2021-42988?

CVE-2021-42988 is a high-severity memory corruption 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

Eltima USB Network Gate is affected by Buffer Overflow. IOCTL Handler 0x22001B in the USB Network Gate above 7.0.1370 below 9.2.2420 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-120

Which versions are affected by CVE-2021-42988?

It affects 1 product.

Products include Eltima Usb Network Gate.

How do I fix CVE-2021-42988?

No fix has been published for CVE-2021-42988 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-2021-42988 being exploited?

There is no known exploitation of CVE-2021-42988 in the wild and no public exploit code.

Sources

Also known as GHSA-83p4-mx2g-gv7f.

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