CVE-2023-42757 Denial of service in n/a
Attackers can cause Process Explorer to become unavailable by launching a specially named executable, disrupting security analysis workflows.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-42757?
CVE-2023-42757 is a medium-severity denial of service vulnerability in n/a, published on 7 May 2024. 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
Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of service for analysis) by renaming an executable file to a new extensionless 255-character name and launching it with NtCreateUserProcess. This can occur through an issue in wcscat_s error handling.
Weakness: CWE-120
Which versions are affected by CVE-2023-42757?
How do I fix CVE-2023-42757?
No fix has been published for CVE-2023-42757 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-2023-42757 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-42757 exists.
Sources
Also known as GHSA-4996-x4q8-5x37.