CVE-2023-35925 FastAsyncWorldEdit vulnerable to Uncontrolled Resource Consumption
Attackers can crash the server by selecting an infinite region in FastAsyncWorldEdit, requiring an upgrade to the latest version.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-35925?
CVE-2023-35925 is a medium-severity denial of service vulnerability in IntellectualSites FastAsyncWorldEdit, published on 23 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
FastAsyncWorldEdit (FAWE) is designed for efficient world editing. This vulnerability enables the attacker to select a region with the `Infinity` keyword (case-sensitive!) and executes any operation. This has a possibility of bringing the performing server down. This issue has been fixed in version 2.6.3.
Weakness: CWE-400
Which versions are affected by CVE-2023-35925?
4 open source packages ship an affected version, including com.fastasyncworldedit:FastAsyncWorldEdit-Bukkit and com.fastasyncworldedit:FastAsyncWorldEdit-Core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.fastasyncworldedit:FastAsyncWorldEdit-Bukkit Maven | All versions | 2.6.3 |
com.fastasyncworldedit:FastAsyncWorldEdit-Bukkit Maven | All versions | 2.6.3 |
com.fastasyncworldedit:FastAsyncWorldEdit-Core Maven | All versions | 2.6.3 |
com.fastasyncworldedit:FastAsyncWorldEdit-Core Maven | All versions | 2.6.3 |
Products include Intellectualsites Fastasyncworldedit.
How do I fix CVE-2023-35925?
Upgrade com.fastasyncworldedit:FastAsyncWorldEdit-Bukkit to 2.6.3 or later.
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-2023-35925 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-35925 exists.
Sources
Also known as GHSA-whj9-m24x-qhhp.