CVE-2019-19191
7.8 · HIGHOverview
CVE-2019-19191 is a high-severity vulnerability affecting shibboleth service_provider. It was published on November 21, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Shibboleth Service Provider (SP) 3.x before 3.1.0 shipped a spec file that calls chown on files in a directory controlled by the service user (the shibd account) after installation. This allows the user to escalate to root by pointing symlinks to files such as /etc/shadow.
Remediation
Check the references section for vendor advisories and patches from shibboleth. Update service_provider to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| shibboleth | service_provider | >= 3.0.0, < 3.1.0 | Affected |
References
Frequently Asked Questions
What is CVE-2019-19191?
CVE-2019-19191 is a high-severity vulnerability affecting shibboleth service_provider. It was published on November 21, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2019-19191?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2019-19191?
Check the references section for vendor advisories and patches from shibboleth. Update service_provider to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-19191?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-19191 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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