Open Redirect in Spring Framework

Executive Summary

This is a medium-severity open redirect vulnerability in Spring Framework's UrlFileNameViewController. It affects Spring MVC applications using this controller mapped with an end-of-path without a configured prefix. Attackers can manipulate URLs to redirect users to malicious websites.

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Detection Guidance

To detect this vulnerability, check if your Spring MVC application uses UrlFileNameViewController with an end-of-path mapping and no configured prefix. Review application logs for suspicious redirect patterns or unusual URL requests targeting the affected controller.

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Impact Analysis

Attackers could trick users into visiting malicious sites, potentially leading to phishing attacks, malware downloads, or credential theft. Users might unknowingly expose sensitive data or fall victim to social engineering.

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Compliance Impact

This vulnerability could indirectly impact compliance with GDPR and HIPAA by enabling open redirect attacks. Such attacks may lead to phishing or unauthorized data access, which could violate data protection requirements under these regulations.

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Mitigation Strategies

Upgrade to the fixed versions of Spring Framework: 7.0.9 (OSS), 7.0.8.1 (Enterprise), 6.2.20 (Enterprise), 6.1.29 (Enterprise), 6.0.31 (Enterprise), 5.3.50 (Enterprise), or 5.2.26 (Enterprise). No additional mitigation steps are required beyond upgrading.

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