CVE-2022-28229 Denial of service in userver
Attackers can cause denial of service in userver via crafted HTTP requests exploiting hash collisions.
- 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-2022-28229?
CVE-2022-28229 is a high-severity denial of service vulnerability in userver, published on 23 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The hash functionality in userver before 42059b6319661583b3080cab9b595d4f8ac48128 allows attackers to cause a denial of service via crafted HTTP request, involving collisions.
Weakness: CWE-400
Which versions are affected by CVE-2022-28229?
It affects 1 product.
Products include Userver Userver.
How do I fix CVE-2022-28229?
No fix has been published for CVE-2022-28229 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-2022-28229 being exploited?
There is no known exploitation of CVE-2022-28229 in the wild and no public exploit code.
Sources
Also known as GHSA-8mr2-8r3v-fj69.