CVE-2021-43637 Memory corruption in n/a
Local attackers can execute arbitrary code in kernel mode or cause a denial of service via a buffer overflow in the Amazon WorkSpaces agent.
- 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-2021-43637?
CVE-2021-43637 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
Amazon WorkSpaces agent is affected by Buffer Overflow. IOCTL Handler 0x22001B in the Amazon WorkSpaces agent below v1.0.1.1537 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-2021-43637?
It affects 1 product.
Products include Amazon Workspaces.
How do I fix CVE-2021-43637?
No fix has been published for CVE-2021-43637 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-2021-43637 being exploited?
There is no known exploitation of CVE-2021-43637 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-vwxq-pwm2-rf57.