CVE-2021-38597 Security feature bypass in n/a
wolfSSL incorrectly skips OCSP verification when response data contains the NoCheck extension, allowing bypass of certificate revocation 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-2021-38597?
CVE-2021-38597 is a medium-severity vulnerability in Wolfssl Wolfssl, published on 12 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
wolfSSL before 4.8.1 incorrectly skips OCSP verification in certain situations of irrelevant response data that contains the NoCheck extension.
Weakness: CWE-345
Which versions are affected by CVE-2021-38597?
It affects 1 product.
Products include Wolfssl Wolfssl.
How do I fix CVE-2021-38597?
Upgrade to a fixed version.
Is CVE-2021-38597 being exploited?
There is no known exploitation of CVE-2021-38597 in the wild and no public exploit code.
Other vulnerabilities in Wolfssl Wolfssl
Sources
Also known as DEBIAN-CVE-2021-38597, GHSA-r434-53mc-rhw4, UBUNTU-CVE-2021-38597.