CVE-2024-37284 Elastic Defend Improper Handling of Alternate Encoding Leads to Crash
Attackers can crash Elastic Defend on Windows by providing multibyte encoded files, preventing security actions like quarantine or process termination.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-37284?
CVE-2024-37284 is a medium-severity denial of service vulnerability in Elastic Defend, published on 21 Jan 2025. 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
Improper handling of alternate encoding occurs when Elastic Defend on Windows systems attempts to scan a file or process encoded as a multibyte character. This leads to an uncaught exception causing Elastic Defend to crash which in turn will prevent it from quarantining the file and/or killing the process.
Weakness: CWE-755
Which versions are affected by CVE-2024-37284?
How do I fix CVE-2024-37284?
No fix has been published for CVE-2024-37284 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-37284 being exploited?
There is no known exploitation of CVE-2024-37284 in the wild and no public exploit code.
Sources
Also known as GHSA-23cq-gcvc-5552.