CVE Catalog

CVE-2017-11173

High
Published: Translated: NVD NIST

Summary

Missing anchor in generated regex for rack-cors before version 0.4.1 allows a malicious third-party site to perform CORS requests. A configuration intended to allow only the trusted example.com domain may inadvertently allow example.com.example.net and example.com-example.net.

Risk Assessment

The organization may be exposed to Cross-Origin Resource Sharing (CORS) attacks, potentially leading to unauthorized access to resources.

Recommendation

It is recommended to upgrade to rack-cors version 0.4.1 or later to mitigate this issue.

Related vulnerabilities

Original NVD description (English source)

Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted example.com domain name and not the malicious example.net domain name, then example.com.example.net (as well as example.com-example.net) would be inadvertently allowed.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS