CVE-2022-38493 Denial of service in n/a
Attackers can cause a Denial of Service in Rhonabwy by sending crafted JWE tokens due to missing RSA key length checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-38493?
CVE-2022-38493 is a high-severity denial of service vulnerability in n/a, published on 20 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Rhonabwy 0.9.99 through 1.1.x before 1.1.7 doesn't check the RSA private key length before RSA-OAEP decryption. This allows attackers to cause a Denial of Service via a crafted JWE (JSON Web Encryption) token.
Weakness: CWE-327
Which versions are affected by CVE-2022-38493?
It affects 1 product.
Products include Rhonabwy Project Rhonabwy.
How do I fix CVE-2022-38493?
Upgrade to a fixed version.
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-2022-38493 being exploited?
There is no known exploitation of CVE-2022-38493 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2022-38493, UBUNTU-CVE-2022-38493.