CVE-2023-35925
FastAsyncWorldEdit vulnerable to Uncontrolled Resource Consumption
Description
### Coordinated Disclosure Timeline - 10.06.2023: Issue reported to IntellectualSites - 11.06.2023: Issue is acknowledged - 12.06.2023: Issue has been fixed - 22.06.2023: Advisory has been published ### Impacted version range Before 2.6.3 ### Details #### Proof of Concept As a user, do the following: 1. Select position 1 via `//pos1` 2. Select position 2 adding the "Infinity" keyword via `//pos2 Infinity` 3. Execute any further operation. The steps 1 and 2 are interchangeable. #### Impact Such a task has a possibility of bringing the performing server down. #### CVE - CVE-2023-35925 #### Credit This issue was discovered and [reported](https://github.com/IntellectualSites/.github/blob/main/SECURITY.md) by @SuperMonis. ### Solution On June 12, 2023, a patch, https://github.com/IntellectualSites/FastAsyncWorldEdit/pull/2285, has been merged addressing the vulnerability. We strongly recommend users to update their version of FastAsyncWorldEdit to 2.6.3 as soon as possible. ### Workarounds There is no direct mitigation besides updating FastAsyncWorldEdit to a patched version. ### Additional Information Users with access to the `logs/` folder or shell access on their server can try to identify possible abuses of this issue by going through the logs. To sieve through the data, you can use the regex query `\/\/pos[12] Infinity`, then investigate all log entries that return results. ### Disclosure Policy If you discover a security vulnerability within our software, please report the issue according to our [vulnerability disclosure policy](https://github.com/IntellectualSites/.github/blob/main/SECURITY.md).
How to fix CVE-2023-35925
To remediate CVE-2023-35925, upgrade the affected package to a fixed version below.
- —upgrade to 2.6.3 or later
- —upgrade to 2.6.3 or later
Is CVE-2023-35925 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.