Privilege Escalation Vulnerability in libspring-java Package
Summary
UBUNTU-CVE-2022-31690: Spring Security, versions 5.7 prior to 5.7.5, and 5.6 prior to 5.6.9, and older unsupported versions could be susceptible to a privilege escalation under certain conditions. 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 is widely used for building Java applications. It provides comprehensive infrastructure support for developing Java applications, including features for dependency injection, transaction management, and web application development. This package is critical for developers leveraging the Spring ecosystem, and its security is paramount to prevent unauthorized access and privilege escalation.
Vulnerability Detail
The vulnerability identified as CVE-2022-31690 affects Spring Security versions prior to 5.7.5 and 5.6.9, as well as older unsupported versions. It allows a malicious user to modify requests to the Authorization Server, potentially leading to privilege escalation. This occurs when the Authorization Server responds with an OAuth2 Access Token Response that contains an empty scope list, which can be exploited during subsequent requests to obtain access tokens. The ramifications of this vulnerability can be severe, as it may allow unauthorized users to gain elevated privileges within the application.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary measure, users can restrict access to the Authorization Server and implement additional validation checks on incoming requests to mitigate the risk of privilege escalation until the package is updated.
Conclusion
The CVE-2022-31690 vulnerability poses a significant risk to applications using the libspring-java package. It is crucial for developers to update their packages to the latest versions to protect against potential privilege escalation attacks. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.
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FAQ
CVE-2022-31690 is a vulnerability in the Spring Security framework that allows for privilege escalation under certain conditions.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Exploitation of this vulnerability can lead to unauthorized access and privilege escalation, allowing attackers to perform actions they should not be permitted to.
Yes, there are patched versions of the libspring-java package available. Users should upgrade to the latest versions to mitigate the risk.
The CVSS score for CVE-2022-31690 is 8.1, indicating a high severity level.
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