CVE-2020-26213 Denial of Service in teler
Medium 5.9
Published
Updated
Check this codebase for CVE-2020-26213 and fix it if it is affected.
What it is: CVE-2020-26213 is a medium-severity vulnerability in kitabisa teler, published on 6 Nov 2020.
Exploitation: There is no known exploitation of CVE-2020-26213 in the wild and no public exploit code.
Affected packages and fixed versions:
- ktbs.dev/teler (Go): affected all versions; fixed in 0.0.1
- ktbs.dev/teler (Go): affected all versions; fixed in 0.0.1
- ktbs.dev/teler (Go): affected all versions; fixed in 0.0.1
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-2020-26213/ (Markdown: https://insights.sbomify.com/CVE-2020-26213/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2020-26213?
CVE-2020-26213 is a medium-severity vulnerability in kitabisa teler, published on 6 Nov 2020.
Official description
In teler before version 0.0.1, if you run teler inside a Docker container and encounter `errors.Exit` function, it will cause denial-of-service (`SIGSEGV`) because it doesn't get process ID and process group ID of teler properly to kills. The issue is patched in teler 0.0.1 and 0.0.1-dev5.1.
Weakness: CWE-476
Which versions are affected by CVE-2020-26213?
3 open source packages ship an affected version, including ktbs.dev/teler. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ktbs.dev/teler Go | All versions | 0.0.1 |
ktbs.dev/teler Go | All versions | 0.0.1 |
ktbs.dev/teler Go | All versions | 0.0.1 |
Products include Teler Project Teler.
How do I fix CVE-2020-26213?
Upgrade ktbs.dev/teler to 0.0.1 or later.
Is CVE-2020-26213 being exploited?
There is no known exploitation of CVE-2020-26213 in the wild and no public exploit code.
Other vulnerabilities in kitabisa teler
Sources
Also known as GHSA-jhj6-5mh6-4pvf, GO-2022-0903.