CVE-2021-38244 Denial of service in n/a
Attackers can cause denial of service in cBioPortal by sending crafted POST requests that trigger expensive regular expression processing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-38244?
CVE-2021-38244 is a high-severity denial of service vulnerability in n/a, published on 16 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json.
Weakness: CWE-770
Which versions are affected by CVE-2021-38244?
It affects 1 product.
Products include Cbioportal Project Cbioportal.
How do I fix CVE-2021-38244?
No fix has been published for CVE-2021-38244 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-2021-38244 being exploited?
There is no known exploitation of CVE-2021-38244 in the wild and no public exploit code.
Sources
Also known as GHSA-6624-25m9-qrx8.