CVE-2021-40660 Regular expression denial of service in Delight Nashorn Sandbox
A ReDoS vulnerability in Delight Nashorn Sandbox allows attackers to cause a denial of service via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-40660?
CVE-2021-40660 is a high-severity denial of service vulnerability in n/a, published on 14 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Delight Nashorn Sandbox 0.2.0. There is an ReDoS vulnerability that can be exploited to launching a denial of service (DoS) attack.
Weakness: CWE-1333
Which versions are affected by CVE-2021-40660?
2 open source packages ship an affected version, including org.javadelight:delight-nashorn-sandbox. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.javadelight:delight-nashorn-sandbox Maven | All versions | 0.3.1 |
org.javadelight:delight-nashorn-sandbox Maven | All versions | 0.3.1 |
Products include Javadelight Nashorn Sandbox.
How do I fix CVE-2021-40660?
Upgrade org.javadelight:delight-nashorn-sandbox to 0.3.1 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-2021-40660 being exploited?
There is no known exploitation of CVE-2021-40660 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-38j3-6fm8-pfgc.