# CVE-2018-1000872: PyKMIP Denial of service vulnerability

> Attackers can cause denial of service in PyKMIP server by opening sockets without closing them, exhausting available resources.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 20 Dec 2018
- **Updated:** 16 Sep 2024
- **Also known as:** DEBIAN-CVE-2018-1000872, GHSA-gfv6-cj92-g3hx, PYSEC-2018-22, SUSE-SU-2019:0391-1, UBUNTU-CVE-2018-1000872

## What is CVE-2018-1000872?

CVE-2018-1000872 is a medium-severity denial of service vulnerability in n/a, published on 20 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

OpenKMIP PyKMIP version All versions before 0.8.0 contains a CWE 399: Resource Management Errors (similar issue to CVE-2015-5262) vulnerability in PyKMIP server that can result in DOS: the server can be made unavailable by one or more clients opening all of the available sockets. This attack appear to be exploitable via A client or clients open sockets with the server and then never close them. This vulnerability appears to have been fixed in 0.8.0.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2018-1000872?

3 open source packages ship an affected version, including pykmip. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `pykmip` | PyPI | All versions | 0.8.0 |
| `pykmip` | PyPI | All versions | 0.8.0 |
| `pykmip` | PyPI | All versions | 0.8.0 |
| `python-PyKMIP` | SUSE:HPE Helion OpenStack 8 | All versions | 0.6.0-3.3.1 |
| `python-PyKMIP` | SUSE:OpenStack Cloud 8 | All versions | 0.6.0-3.3.1 |
| `python-PyKMIP` | SUSE:OpenStack Cloud Crowbar 8 | All versions | 0.6.0-3.3.1 |

Products: Pykmip Project Pykmip.

## How do I fix CVE-2018-1000872?

Upgrade pykmip to 0.8.0 or later.

## Is CVE-2018-1000872 being exploited?

There is no known exploitation of CVE-2018-1000872 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-1000872 and fix it if it is affected.

What it is: CVE-2018-1000872 is a medium-severity denial of service vulnerability in n/a, published on 20 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2018-1000872 in the wild and no public exploit code.

Affected packages and fixed versions:
- pykmip (PyPI): affected all versions; fixed in 0.8.0
- pykmip (PyPI): affected all versions; fixed in 0.8.0
- pykmip (PyPI): affected all versions; fixed in 0.8.0

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-2018-1000872/ (Markdown: https://insights.sbomify.com/CVE-2018-1000872/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-1000872
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-1000872
- OSV: https://osv.dev/vulnerability/CVE-2018-1000872

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-1000872/
Summaries are generated and may contain mistakes; the official description above is the record.