The vulnerability identified as CVE-2025-22149 affects the JWK Set Go implementation. This vulnerability allows the HTTP client's local JWK Set cache to improperly manage key updates, posing a risk to applications relying on this functionality.
Officially published on January 9, 2025, this vulnerability has been assigned a CVSS score of 2.1, categorizing it as low severity. This classification indicates that while the vulnerability exists, the potential impact is limited under typical circumstances.
Risk to organizations includes improper key management, which can result in unauthorized access if keys are not appropriately revoked or updated. Although the current status of the vulnerability is marked as Deferred, organizations are advised to remain vigilant and consider remediation strategies.
While there are currently no known exploits or public proofs of concept, the potential for future exploitation exists. As such, organizations should address this vulnerability in their priority patch cycle.
The workaround involves replacing the provided auto-caching HTTP client with a custom implementation. This requires setting the HTTPClientStorageOptions.RefreshInterval to zero or omitting the value altogether.
Organizations should prioritize patching immediately.
For further insights on best practices for vulnerability management, refer to our guide on penetration testing methodology.
Vulnerability Details
The JWK Set Go implementation allows for JSON Web Key Set management, which is essential for secure API communication. Prior to version 0.6.0, the implementation's local JWK Set cache would incorrectly manage updates during refresh cycles, leading to potential security risks.
The vulnerability is classified under CWE-672, suggesting an issue with incorrect handling of security-related functionalities.
As of the last update, the vulnerability has not been actively exploited, and there are no known public exploits associated with it.
Technical Analysis
The root cause of this vulnerability lies in the incorrect caching mechanism of the JWK Set client. When the remote JWK Set is refreshed, it is expected to perform a full replacement of the cache. Instead, the current implementation allows for overwriting or appending keys, which can lead to outdated keys remaining in the cache.
The attack vector is classified as NETWORK, with high attack complexity. This means that while the vulnerability exists, exploiting it requires significant effort and privileges.
The vulnerability requires high privileges for exploitation, and the user interaction is classified as none, making it easier for an attacker to leverage it if they have the necessary credentials.
The implications for confidentiality, integrity, and availability are minimal, as the vulnerability does not impact these areas significantly. However, the potential for low integrity impact exists due to the outdated keys remaining in the cache.
Risk & Impact Analysis
Organizations using the JWK Set Go implementation face potential risks related to key management and security best practices. The improper handling of cached keys can result in unauthorized access if keys are not properly updated or revoked when necessary.
While the vulnerability is classified as low severity, its implications can be significant in applications where key revocation is critical. The blast radius potential is limited, but organizations must remain vigilant.
Given the low CVSS score, organizations may choose to address this vulnerability in their regular patch cycles. However, proactive measures should be taken to mitigate any associated risks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects all versions of the JWK Set Go implementation prior to version 0.6.0. Organizations using earlier versions should consider upgrading to mitigate the risks associated with this vulnerability.
Mitigation & Remediation
To mitigate this vulnerability, organizations should upgrade to version 0.6.0 or later of the JWK Set Go implementation. If an upgrade is not immediately possible, organizations should implement a custom caching solution to prevent improper key management.
For detailed guidance on securing applications, consider our resource on penetration testing to identify and address potential vulnerabilities.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor for anomalies in JWK Set management and caching behavior. Log indicators related to key refresh events and any changes in cached keys should be reviewed regularly.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its potential to expose organizations to unauthorized access if key revocation is not handled correctly. This incident reflects the importance of robust key management practices in application development.
Security teams should leverage this case to reinforce the necessity of adhering to best practices in key management and caching strategies. For further reading on improving security practices, refer to our blog on API security testing tools and consider our insights on penetration testing methodology for a more comprehensive security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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