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CVE-2023-22947

7.3 · HIGH

Insecure folder permissions in the Windows installation path of Shibboleth Service Provider (SP) before 3.4.1 allow an unprivileged local attacker to escalate privileges to SYSTEM via DLL planting…

Published Jan 11, 2023CWE-427EPSS 0.31%

Overview

CVE-2023-22947 is a high-severity vulnerability. It was published on January 11, 2023 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Insecure folder permissions in the Windows installation path of Shibboleth Service Provider (SP) before 3.4.1 allow an unprivileged local attacker to escalate privileges to SYSTEM via DLL planting in the service executable's folder. This occurs because the installation goes under C:\opt (rather than C:\Program Files) by default. NOTE: the vendor disputes the significance of this report, stating that "We consider the ACLs a best effort thing" and "it was a documentation mistake."

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refshibboleth.atlassian.net/browse/SSPCPP-961Refshibboleth.atlassian.net/wiki/spaces/SP3/pages/2065335545/Install+on+Windows#Restricting-ACLsRefshibboleth.atlassian.net/browse/SSPCPP-961Refshibboleth.atlassian.net/wiki/spaces/SP3/pages/2065335545/Install+on+Windows#Restricting-ACLs

How CyberStrike helps

Frequently asked questions

What is CVE-2023-22947?

CVE-2023-22947 is a high-severity vulnerability. It was published on January 11, 2023 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2023-22947?

This vulnerability has a CVSS 3.1 base score of 7.3, 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-2023-22947?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2023-22947?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-22947 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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