CVE-2018-13347 Mercurial mishandles integer addition and subtraction
Critical 9.8
Published
Updated
Check this codebase for CVE-2018-13347 and fix it if it is affected.
What it is: CVE-2018-13347 is a critical vulnerability in n/a, published on 6 Jul 2018.
Exploitation: There is no known exploitation of CVE-2018-13347 in the wild and no public exploit code.
Affected packages and fixed versions:
- mercurial (PyPI): affected all versions; fixed in 4.6.1
- mercurial (PyPI): affected all versions; fixed in 4.6.1
- mercurial (PyPI): affected all versions; fixed in 4.6.1
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-2018-13347/ (Markdown: https://insights.sbomify.com/CVE-2018-13347/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2018-13347?
CVE-2018-13347 is a critical vulnerability in n/a, published on 6 Jul 2018.
Official description
mpatch.c in Mercurial before 4.6.1 mishandles integer addition and subtraction, aka OVE-20180430-0002.
Weakness: CWE-190
Which versions are affected by CVE-2018-13347?
3 open source packages ship an affected version, including mercurial. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mercurial PyPI | All versions | 4.6.1 |
mercurial PyPI | All versions | 4.6.1 |
mercurial PyPI | All versions | 4.6.1 |
Products include Mercurial Mercurial.
How do I fix CVE-2018-13347?
Upgrade mercurial to 4.6.1 or later.
Is CVE-2018-13347 being exploited?
There is no known exploitation of CVE-2018-13347 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2018-17983 Mercurial Out-of-bounds Read vulnerability
- CVE-2018-13346 Mercurial Improper Input Validation vulnerability
- CVE-2018-13348 Mercurial Improper Input Validation vulnerability
- CVE-2014-9462 Mercurial vulnerable to arbitrary command execution via a crafted repository name in a clone command
- CVE-2008-2942 Mercurial Directory traversal vulnerability
Sources
Also known as DEBIAN-CVE-2018-13347, GHSA-3mjj-mr4f-qxmx, PYSEC-2018-89, UBUNTU-CVE-2018-13347.