CVE-2021-42120 Missing Character Length (Denial of Service) in TopEase
Authenticated attackers can cause resource exhaustion by inserting arbitrarily long strings into object attributes, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-42120?
CVE-2021-42120 is a medium-severity denial of service vulnerability in Business-DNA Solutions GmbH TopEase, published on 30 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 on all object attributes allows an authenticated remote attacker with Object Modification privileges to insert arbitrarily long strings, eventually leading to exhaustion of the underlying resource.
Which versions are affected by CVE-2021-42120?
It affects 1 product.
Products include Businessdnasolutions Topease.
How do I fix CVE-2021-42120?
No fix has been published for CVE-2021-42120 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-2021-42120 being exploited?
There is no known exploitation of CVE-2021-42120 in the wild and no public exploit code.
Other vulnerabilities in Business-DNA Solutions GmbH TopEase
Sources
Also known as GHSA-hjpq-rp56-x2qm.