CVE-2021-32198 Denial of service in n/a
A remote server can cause a Windows GUI hang in EmTec ZOC by rapidly changing the window title, leading to denial of service.
- 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-2021-32198?
CVE-2021-32198 is a critical denial of service vulnerability in n/a, published on 6 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
EmTec ZOC through 8.02.4 allows remote servers to cause a denial of service (Windows GUI hang) by telling the ZOC window to change its title repeatedly at high speed, which results in many SetWindowTextA or SetWindowTextW calls. In other words, it does not implement a usleep or similar delay upon processing a title change.
Which versions are affected by CVE-2021-32198?
It affects 1 product.
Products include Emtec Zoc.
How do I fix CVE-2021-32198?
No fix has been published for CVE-2021-32198 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-2021-32198 being exploited?
There is no known exploitation of CVE-2021-32198 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hcgx-vxrq-6c93.