CVE-2020-11713 Information disclosure in n/a
High 7.5
Published
Updated
Check this codebase for CVE-2020-11713 and fix it if it is affected.
What it is: CVE-2020-11713 is a high-severity vulnerability in Wolfssl Wolfssl, published on 12 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-11713 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-2020-11713/ (Markdown: https://insights.sbomify.com/CVE-2020-11713/index.md)
Attackers can exploit timing side-channels in wolfSSL's ECC implementation to potentially recover sensitive cryptographic keys.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-11713?
CVE-2020-11713 is a high-severity vulnerability in Wolfssl Wolfssl, published on 12 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
wolfSSL 4.3.0 has mulmod code in wc_ecc_mulmod_ex in ecc.c that does not properly resist timing side-channel attacks.
Weakness: CWE-203
Which versions are affected by CVE-2020-11713?
It affects 1 product.
Products include Wolfssl Wolfssl.
How do I fix CVE-2020-11713?
Upgrade to a fixed version.
Is CVE-2020-11713 being exploited?
There is no known exploitation of CVE-2020-11713 in the wild and no public exploit code.
Other vulnerabilities in Wolfssl Wolfssl
Sources
Also known as DEBIAN-CVE-2020-11713, GHSA-8934-73x5-7j23, UBUNTU-CVE-2020-11713.