# CVE-2018-10843: Privilege escalation in source-to-image

> Attackers can escalate privileges to root within non-privileged containers via the assemble script, enabling host network access and other root-level actions.

- **Severity:** High 8.5 (`CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 2 Jul 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-h5q5-9vcx-54g7

## What is CVE-2018-10843?

CVE-2018-10843 is a high-severity vulnerability in Redhat Openshift Container Platform, published on 2 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

source-to-image component of Openshift Container Platform before versions atomic-openshift 3.7.53, atomic-openshift 3.9.31 is vulnerable to a privilege escalation which allows the assemble script to run as the root user in a non-privileged container. An attacker can use this flaw to open network connections, and possibly other actions, on the host which are normally only available to a root user.

Weakness: CWE-732 (Incorrect Permission Assignment for Critical Resource), CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2018-10843?

It affects 1 product.


Products: Redhat Openshift Container Platform.

## How do I fix CVE-2018-10843?

Upgrade to a fixed version.

## Is CVE-2018-10843 being exploited?

There is no known exploitation of CVE-2018-10843 in the wild and no public exploit code.

## Other vulnerabilities in Redhat Openshift Container Platform

- [CVE-2020-27836](https://insights.sbomify.com/CVE-2020-27836/): Missing authorization in cluster-ingress-operator (critical 9.8)
- [CVE-2018-1085](https://insights.sbomify.com/CVE-2018-1085/): Misconfiguration in openshift-ansible (critical 9.0)
- [CVE-2026-54099](https://insights.sbomify.com/CVE-2026-54099/): Privilege escalation in Red Hat OpenShift Container Platform 4 (high 8.8)
- [CVE-2026-1784](https://insights.sbomify.com/CVE-2026-1784/): Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection (high 8.8)
- [CVE-2021-20182](https://insights.sbomify.com/CVE-2021-20182/): Privilege escalation in openshift (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-10843 and fix it if it is affected.

What it is: CVE-2018-10843 is a high-severity vulnerability in Redhat Openshift Container Platform, published on 2 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-10843 in the wild and no public exploit code.

Affected product: Redhat Openshift Container Platform. 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-2018-10843/ (Markdown: https://insights.sbomify.com/CVE-2018-10843/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-10843
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-10843
- OSV: https://osv.dev/vulnerability/CVE-2018-10843

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-10843/
Summaries are generated and may contain mistakes; the official description above is the record.