CVE-2023-40250 Memory corruption in HCell
A buffer overflow in Hancom HCell on Windows allows attackers to execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-40250?
CVE-2023-40250 is a high-severity memory corruption vulnerability in Hancom HCell, published on 12 Jan 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Hancom HCell on Windows allows Overflow Buffers.This issue affects HCell: 12.0.0.893.
Weakness: CWE-120
Which versions are affected by CVE-2023-40250?
It affects 1 product.
Products include Hancom Hcell.
How do I fix CVE-2023-40250?
No fix has been published for CVE-2023-40250 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-2023-40250 being exploited?
There is no known exploitation of CVE-2023-40250 in the wild and no public exploit code.
Sources
Also known as GHSA-mxwh-m8g8-q6j7.