CVE-2020-12889 Maltego incorrectly shares a MISP connection across users in a remote-transform use case
Critical 9.8
Published
Updated
Check this codebase for CVE-2020-12889 and fix it if it is affected.
What it is: CVE-2020-12889 is a critical vulnerability in n/a, published on 15 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-12889 in the wild and no public exploit code.
Affected packages and fixed versions:
- misp-maltego (PyPI): affected all versions; fixed in 1.4.5
- misp-maltego (PyPI): affected all versions; fixed in 1.4.5
- MISP-maltego (PyPI): affected all versions; fixed in 1.4.5
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-2020-12889/ (Markdown: https://insights.sbomify.com/CVE-2020-12889/index.md)
MISP Maltego transform incorrectly shares connections, allowing attackers to access other users' data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-12889?
CVE-2020-12889 is a critical vulnerability in n/a, published on 15 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MISP MISP-maltego 1.4.4 incorrectly shares a MISP connection across users in a remote-transform use case.
Which versions are affected by CVE-2020-12889?
3 open source packages ship an affected version, including misp-maltego and MISP-maltego. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
misp-maltego PyPI | All versions | 1.4.5 |
misp-maltego PyPI | All versions | 1.4.5 |
MISP-maltego PyPI | All versions | 1.4.5 |
Products include Misp Misp-Maltego.
How do I fix CVE-2020-12889?
Upgrade misp-maltego to 1.4.5 or later.
Is CVE-2020-12889 being exploited?
There is no known exploitation of CVE-2020-12889 in the wild and no public exploit code.
Sources
Also known as GHSA-fj35-m94r-9h4c, PYSEC-2020-66.