CVE-2021-3779 Ruby-MySQL Gem Client File Read
Medium 6.5
Published
Updated
Check this codebase for CVE-2021-3779 and fix it if it is affected.
What it is: CVE-2021-3779 is a medium-severity vulnerability in Tomita Masahiro ruby-mysql, published on 28 Jun 2022.
Exploitation: There is no known exploitation of CVE-2021-3779 in the wild and no public exploit code.
Affected packages and fixed versions:
- ruby-mysql (RubyGems): affected all versions; fixed in 2.10.0
- ruby-mysql (RubyGems): affected all versions; fixed in 2.10.0
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-2021-3779/ (Markdown: https://insights.sbomify.com/CVE-2021-3779/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2021-3779?
CVE-2021-3779 is a medium-severity vulnerability in Tomita Masahiro ruby-mysql, published on 28 Jun 2022.
Official description
A malicious MySQL server can request local file content from a client using ruby-mysql prior to version 2.10.0 without explicit authorization from the user. This issue was resolved in version 2.10.0 and later.
Weakness: CWE-610
Which versions are affected by CVE-2021-3779?
2 open source packages ship an affected version, including ruby-mysql. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ruby-mysql RubyGems | All versions | 2.10.0 |
ruby-mysql RubyGems | All versions | 2.10.0 |
Products include Ruby-Mysql Project Ruby-Mysql.
How do I fix CVE-2021-3779?
Upgrade ruby-mysql to 2.10.0 or later.
Is CVE-2021-3779 being exploited?
There is no known exploitation of CVE-2021-3779 in the wild and no public exploit code.
Sources
Also known as GHSA-73pr-g6jj-5hc9, UBUNTU-CVE-2021-3779.