CVE-1999-0420 Privilege escalation in n/a
High 7.2
Published
Updated
Check this codebase for CVE-1999-0420 and fix it if it is affected.
What it is: CVE-1999-0420 is a high-severity vulnerability in n/a, published on 29 Sep 1999. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-1999-0420 in the wild and no public exploit code.
Affected product: n/a. 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-1999-0420/ (Markdown: https://insights.sbomify.com/CVE-1999-0420/index.md)
Local attackers can gain root privileges by exploiting a vulnerability in the umapfs filesystem module via a malicious mount program.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-1999-0420?
CVE-1999-0420 is a high-severity vulnerability in n/a, published on 29 Sep 1999. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.
Which versions are affected by CVE-1999-0420?
It affects 1 product.
Products include Netbsd Umapfs.
How do I fix CVE-1999-0420?
No fix has been published for CVE-1999-0420 yet. Limit exposure of the affected software until one is available.
Is CVE-1999-0420 being exploited?
There is no known exploitation of CVE-1999-0420 in the wild and no public exploit code.
Sources
Also known as GHSA-637m-9vgx-w22q.