Open Redirect and SSRF Vulnerability in libspring-java Package
Summary
UBUNTU-CVE-2024-22262: Applications that use UriComponentsBuilder to parse an externally provided URL (e.g. 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, 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. However, certain versions of this package are vulnerable to a security flaw that can lead to open redirect and server-side request forgery (SSRF) attacks, potentially compromising application security.
Vulnerability Detail
The vulnerability arises from the use of UriComponentsBuilder to parse externally provided URLs, such as those received through query parameters. If validation checks on the host of the parsed URL are not adequately implemented, attackers may exploit this flaw to redirect users to malicious sites or perform SSRF attacks. This vulnerability is associated with CVE-2024-22262 and is linked to other CVEs, including CVE-2024-22259 and CVE-2024-22243, highlighting a broader issue within the Spring Framework's URL handling capabilities.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, developers should implement strict validation checks on the host of any URLs parsed by UriComponentsBuilder. This can be done by ensuring that only trusted hosts are allowed and by rejecting any URLs that do not meet specific criteria. Additionally, consider using a whitelist of acceptable domains to mitigate the risk of open redirects and SSRF attacks.
Conclusion
The libspring-java package has a critical vulnerability that can lead to open redirect and SSRF attacks. It is crucial for developers to update to the latest patched version to ensure the security of their applications. Implementing strict validation checks can serve as a temporary measure until the update is applied.
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FAQ
The CVSS score of this vulnerability is 8.1, indicating a high severity level.
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If exploited, this vulnerability can lead to open redirects, allowing attackers to redirect users to malicious sites, or SSRF attacks, which can compromise internal services.
Yes, updating to the latest patched version of libspring-java, such as 4.3.30-2ubuntu1, will mitigate this vulnerability.
If an immediate update is not possible, implement strict validation checks on URLs parsed by UriComponentsBuilder as a temporary workaround.
References
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