CVE-2020-11650 Denial of service in n/a
Attackers can cause denial of service in FreeNAS and TrueNAS by sending unlimited authentication messages due to missing rate limits.
- 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-2020-11650?
CVE-2020-11650 is a high-severity denial of service vulnerability in n/a, published on 8 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in iXsystems FreeNAS (and TrueNAS) 11.2 before 11.2-u8 and 11.3 before 11.3-U1. It allows a denial of service. The login authentication component has no limits on the length of an authentication message or the rate at which such messages are sent.
Weakness: CWE-307
Which versions are affected by CVE-2020-11650?
It affects 2 products.
Products include Ixsystems Freenas Firmware, Ixsystems Truenas Firmware.
How do I fix CVE-2020-11650?
No fix has been published for CVE-2020-11650 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-2020-11650 being exploited?
There is no known exploitation of CVE-2020-11650 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-jr46-4q88-9hjx.