Authorization Bypass Vulnerability in libspring-java Package
Summary
UBUNTU-CVE-2022-22978: In spring security versions prior to 5.4.11+, 5.5.7+ , 5.6.4+ and older unsupported versions, RegexRequestMatcher can easily be misconfigured to be bypassed on some servlet containers. Affects libspring-java versions 3.0.6.RELEASE-10 – 3.0.6.RELEASE-9. No fix is published. How to fix ↓
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Background
The libspring-java package is a core component of the Spring Framework, which provides comprehensive infrastructure support for developing Java applications. It offers various features including dependency injection, aspect-oriented programming, and transaction management. However, certain versions of this package are vulnerable to an authorization bypass due to misconfigurations in the RegexRequestMatcher component, which can lead to serious security implications.
Vulnerability Detail
In spring security versions prior to 5.4.11+, 5.5.7+, 5.6.4+ and older unsupported versions, the RegexRequestMatcher can be misconfigured to bypass authorization checks on some servlet containers. This vulnerability allows unauthorized access to resources, potentially leading to data breaches or unauthorized actions within the application. The issue arises when developers use regular expressions that include a '.' character, which can inadvertently match more than intended, allowing access to restricted areas.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, developers should avoid using the '.' character in regular expressions within the RegexRequestMatcher configuration. Instead, use more specific patterns that do not allow for unintended matches, thereby reducing the risk of authorization bypass.
Conclusion
The libspring-java package has a critical vulnerability that can lead to authorization bypass if not addressed. It is crucial for developers to update to the latest patched versions and implement best practices in regex configurations to secure their applications.
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FAQ
The CVSS score of this vulnerability is 9.8, indicating a critical level of risk.
Affected versions include those prior to 5.4.11+, 5.5.7+, and 5.6.4+, as well as older unsupported versions.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The potential consequences include unauthorized access to sensitive data and actions within the application, leading to data breaches and loss of integrity.
Yes, Vulert provides a service that monitors and alerts for open-source vulnerabilities in your software using just a manifest file like package-lock.json.
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