CVE-2022-25638 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.
Medium 6.5
Published
Updated
Check this codebase for CVE-2022-25638 and fix it if it is affected.
What it is: CVE-2022-25638 is a medium-severity vulnerability in Wolfssl Wolfssl, published on 24 Feb 2022.
Exploitation: There is no known exploitation of CVE-2022-25638 in the wild and no public exploit code.
Affected product: Wolfssl Wolfssl. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2022-25638/ (Markdown: https://insights.sbomify.com/CVE-2022-25638/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2022-25638?
CVE-2022-25638 is a medium-severity vulnerability in Wolfssl Wolfssl, published on 24 Feb 2022.
Official 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.
Weakness: CWE-295
Which versions are affected by CVE-2022-25638?
It affects 1 product.
Products include Wolfssl Wolfssl.
How do I fix CVE-2022-25638?
Upgrade to a fixed version.
Is CVE-2022-25638 being exploited?
There is no known exploitation of CVE-2022-25638 in the wild and no public exploit code.
Other vulnerabilities in Wolfssl Wolfssl
Sources
Also known as DEBIAN-CVE-2022-25638, GHSA-xxrj-j9r7-g9q6, JLSEC-2026-669, UBUNTU-CVE-2022-25638.