Description

Insecure Permissions vulnerability in ics-park v.2.0 allows a remote attacker to escalate privileges via the /system/role/save endpoint in RoleController.java and system/user/update endpoint in UserController.java

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.8",
  "pubDate": "2026-08-06T22:18:23.013Z",
  "pubdate": "2026-08-06T22:18:23.013Z",
  "executiveSummary": "An Insecure Permissions vulnerability has been identified in ics-park v.2.0, categorized under improper access control flaws. This security defect allows a remote attacker to achieve privilege escalation by interacting with unprotected administrative functionality. The affected software components are the RoleController.java and UserController.java classes, specifically exposing critical endpoints without enforcing appropriate authorization checks. The impact of this vulnerability is severe, as successful exploitation enables unauthorized users to manipulate system roles and user profiles, potentially granting full administrative control over the underlying application and infrastructure. The risk implications include complete compromise of confidentiality, integrity, and availability of the affected system. The attacker capabilities involve remote execution of privileged requests without requiring prior high-level authentication or authorization. Exploitation requirements entail network connectivity to the target application instance and the ability to craft HTTP requests targeting the vulnerable endpoints. Due to the absence of robust access control mechanisms, the application blindly trusts incoming requests to modify sensitive security roles and user attributes, leading directly to unauthorized privilege elevation.",
  "technicalDetails": "The vulnerability resides in the access control implementation of ics-park v.2.0, specifically within the backend controllers responsible for administrative operations. The root cause is the absence of adequate session validation, role-based access control (RBAC), and authorization checks on sensitive application endpoints. Specifically, the vulnerable components include RoleController.java, which exposes the /system/role/save endpoint, and UserController.java, which exposes the system/user/update endpoint. These endpoints are designed to handle state-changing operations regarding user permissions and account configurations, yet they fail to verify whether the issuing user possesses the administrative privileges required to perform such actions.\nThe attack flow begins with a remote attacker identifying the network-exposed endpoints /system/role/save and system/user/update. Because network exposure allows direct HTTP interaction, the attacker can bypass standard front-end navigation and directly invoke these backend application programming interface (API) routes. The attacker crafts a malicious HTTP request targeting the /system/role/save endpoint via RoleController.java to create or modify security roles, injecting elevated privileges into their own user profile or establishing a new administrative role. Alternatively, the attacker can leverage the system/user/update endpoint via UserController.java to directly modify user attributes, such as assigning administrator-level flags or updating password hashes and access control lists associated with their target account.\nDuring exploitation, the application's request processing pipeline parses the incoming parameters without validating the caller's authorization context. The payload behavior involves submitting parameter values that alter permission matrices, role assignments, or user privilege tiers. Because the controller methods execute the requested save and update operations unconditionally, the database is updated with the attacker-supplied privilege configurations. The post-exploitation impact includes full system takeover, unauthorized access to restricted application modules, data exfiltration, and the potential execution of further malicious administrative commands. Authentication requirements are absent or insufficiently enforced, allowing unauthenticated or low-privileged remote attackers to successfully execute these privilege escalation routines."
}