CVE-2022-25638

Description

In wolfSSL before 5.2.0, certificate validation may be bypassed during attempted authentication by a TLS 1.3 client to a TLS 1.3 server. This occurs when the sig_algo field differs between the certificate_verify message and the certificate message.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory wolfssl.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/wolfSSL/wolfssl/pull/4813 third party advisory patch
https://www.wolfssl.com/docs/security-vulnerabilities/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-25638?
CVE-2022-25638 has been scored as a medium severity vulnerability.
How to fix CVE-2022-25638?
To fix CVE-2022-25638, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-25638 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-25638 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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