CVE-2022-23989 Denial of service in n/a
An attacker can cause a denial of service on Stormshield Network Security firewalls by flooding the SSLVPN service, saturating the loopback interface and blocking network traffic.
- 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-2022-23989?
CVE-2022-23989 is a high-severity denial of service vulnerability in n/a, published on 15 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Stormshield Network Security (SNS) before 3.7.25, 3.8.x through 3.11.x before 3.11.13, 4.x before 4.2.10, and 4.3.x before 4.3.5, a flood of connections to the SSLVPN service might lead to saturation of the loopback interface. This could result in the blocking of almost all network traffic, making the firewall unreachable. An attacker could exploit this via forged and properly timed traffic to cause a denial of service.
Which versions are affected by CVE-2022-23989?
It affects 1 product.
Products include Stormshield Stormshield Network Security.
How do I fix CVE-2022-23989?
No fix has been published for CVE-2022-23989 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-2022-23989 being exploited?
There is no known exploitation of CVE-2022-23989 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7mjh-6f22-24pg.