CVE-2021-29476 Insecure Deserialization of untrusted data in rmccue/requests
Critical 9.8
Published
Updated
Check this codebase for CVE-2021-29476 and fix it if it is affected.
What it is: CVE-2021-29476 is a critical vulnerability in WordPress Requests, published on 27 Apr 2021.
Exploitation: There is no known exploitation of CVE-2021-29476 in the wild and no public exploit code.
Affected packages and fixed versions:
- rmccue/requests (Packagist): affected from 1.6.0; fixed in 1.8.0
- rmccue/requests (Packagist): affected from 1.6.0; fixed in 1.8.0
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-2021-29476/ (Markdown: https://insights.sbomify.com/CVE-2021-29476/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2021-29476?
CVE-2021-29476 is a critical vulnerability in WordPress Requests, published on 27 Apr 2021.
Official description
Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of `Requests` 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.
Weakness: CWE-502
Which versions are affected by CVE-2021-29476?
2 open source packages ship an affected version, including rmccue/requests. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
rmccue/requests Packagist | From 1.6.0 | 1.8.0 |
rmccue/requests Packagist | From 1.6.0 | 1.8.0 |
Products include Wordpress Requests.
How do I fix CVE-2021-29476?
Upgrade rmccue/requests to 1.8.0 or later.
Is CVE-2021-29476 being exploited?
There is no known exploitation of CVE-2021-29476 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2021-29476, GHSA-52qp-jpq7-6c54, UBUNTU-CVE-2021-29476.