CVE-2022-21147 Memory corruption in Alyac
An out-of-bounds read in ESTsoft Alyac allows attackers to cause denial of service via a crafted PE file.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-21147?
CVE-2022-21147 is a medium-severity memory corruption vulnerability in ESTsoft Alyac, published on 12 May 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An out of bounds read vulnerability exists in the malware scan functionality of ESTsoft Alyac 2.5.7.7. A specially-crafted PE file can trigger this vulnerability to cause denial of service and termination of malware scan. An attacker can provide a malicious file to trigger this vulnerability.
Which versions are affected by CVE-2022-21147?
It affects 1 product.
Products include Estsoft Alyac.
How do I fix CVE-2022-21147?
No fix has been published for CVE-2022-21147 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-2022-21147 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-21147 exists.
Other vulnerabilities in ESTsoft Alyac
Sources
Also known as GHSA-6r55-j877-x6cq.