CVE-2019-19962 wolfSSL before 4.3.0 mishandles calls to wc_SignatureGenerateHash, leading to fault injection in RSA cryptography.
High 7.5
Published
Updated
Check this codebase for CVE-2019-19962 and fix it if it is affected.
What it is: CVE-2019-19962 is a high-severity vulnerability in Wolfssl Wolfssl, published on 24 Dec 2019.
Exploitation: There is no known exploitation of CVE-2019-19962 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-2019-19962/ (Markdown: https://insights.sbomify.com/CVE-2019-19962/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2019-19962?
CVE-2019-19962 is a high-severity vulnerability in Wolfssl Wolfssl, published on 24 Dec 2019.
Official description
wolfSSL before 4.3.0 mishandles calls to wc_SignatureGenerateHash, leading to fault injection in RSA cryptography.
Weakness: CWE-347
Which versions are affected by CVE-2019-19962?
It affects 1 product.
Products include Wolfssl Wolfssl.
How do I fix CVE-2019-19962?
Upgrade to a fixed version.
Is CVE-2019-19962 being exploited?
There is no known exploitation of CVE-2019-19962 in the wild and no public exploit code.
Other vulnerabilities in Wolfssl Wolfssl
Sources
Also known as DEBIAN-CVE-2019-19962, GHSA-w5pp-v599-fpjp, UBUNTU-CVE-2019-19962.