CVE-2021-4047 The release of OpenShift 4.9.6 included four CVE fixes for the haproxy package, however the patch for CVE-2021-39242 was missing.
High 7.5
Published
Updated
Check this codebase for CVE-2021-4047 and fix it if it is affected.
What it is: CVE-2021-4047 is a high-severity vulnerability in Redhat Openshift, published on 11 Apr 2022.
Exploitation: There is no known exploitation of CVE-2021-4047 in the wild and no public exploit code.
Affected product: Redhat Openshift. 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-2021-4047/ (Markdown: https://insights.sbomify.com/CVE-2021-4047/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2021-4047?
CVE-2021-4047 is a high-severity vulnerability in Redhat Openshift, published on 11 Apr 2022.
Official description
The release of OpenShift 4.9.6 included four CVE fixes for the haproxy package, however the patch for CVE-2021-39242 was missing. This issue only affects Red Hat OpenShift 4.9.
Weakness: CWE-20
Which versions are affected by CVE-2021-4047?
It affects 1 product.
Linux distribution packages (2)
haproxy Red Hat:openshift:4.9::el8 | All versions | 0:2.2.15-3.el8 |
haproxy-debugsource Red Hat:openshift:4.9::el8 | All versions | 0:2.2.15-3.el8 |
Products include Redhat Openshift.
How do I fix CVE-2021-4047?
Upgrade to a fixed version.
Is CVE-2021-4047 being exploited?
There is no known exploitation of CVE-2021-4047 in the wild and no public exploit code.
Other vulnerabilities in Redhat Openshift
Sources
Also known as GHSA-v3g6-gh83-x752, RHSA-2021:5002.