CVE-2024-7473 in lunary
Summary
by MITRE • 10/29/2024
An IDOR vulnerability exists in the 'Evaluations' function of the 'umgws datasets' section in lunary-ai/lunary versions 1.3.2. This vulnerability allows an authenticated user to update other users' prompts by manipulating the 'id' parameter in the request. The issue is fixed in version 1.4.3.
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Analysis
by VulDB Data Team • 11/03/2024
The vulnerability identified as CVE-2024-7473 represents a critical insecure direct object reference flaw within the lunary-ai/lunary application ecosystem. This weakness manifests specifically within the 'Evaluations' functionality of the 'umgws datasets' section, where the system fails to properly validate user permissions when processing requests containing object identifiers. The vulnerability affects version 1.3.2 of the lunary application and has been subsequently remediated in version 1.4.3. From a cybersecurity perspective, this issue constitutes a significant risk as it directly undermines the application's access control mechanisms and authorization protocols.
The technical exploitation of this IDOR vulnerability occurs through manipulation of the 'id' parameter within HTTP requests targeting the evaluations endpoint. An authenticated user can leverage this flaw to craft requests that reference objects belonging to other users by simply modifying the identifier value in the request payload. This bypasses the intended access controls that should normally restrict users to only modifying their own resources. The vulnerability stems from insufficient input validation and lack of proper user context verification during object reference resolution, creating a direct pathway for privilege escalation and unauthorized data manipulation.
From an operational standpoint, this vulnerability presents substantial risks to data integrity and user privacy within the application environment. An attacker with legitimate user credentials can potentially modify, delete, or otherwise manipulate prompts owned by other users, leading to potential data corruption, unauthorized content modification, or even the compromise of sensitive information. The impact extends beyond simple data manipulation as it undermines the trust model of the application and could enable more sophisticated attacks such as privilege escalation or lateral movement within the system. This vulnerability aligns with CWE-639 which specifically addresses authorization flaws and represents a clear violation of the principle of least privilege.
The remediation implemented in version 1.4.3 addresses the core authorization issue by introducing proper access control validation mechanisms. The fix likely involves implementing robust user context checking, ensuring that requests can only modify objects that belong to the authenticated user or that the user possesses appropriate permissions to modify. Security best practices recommend implementing proper session management, request parameter validation, and comprehensive access control checks before processing any direct object references. Organizations utilizing this application should prioritize immediate deployment of the patched version to mitigate the risk of unauthorized access and data manipulation.
This vulnerability demonstrates the critical importance of proper access control implementation in web applications and aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation. The issue highlights the need for comprehensive security testing including authorization testing and proper input validation as part of the software development lifecycle. Organizations should conduct thorough security assessments of their applications to identify similar authorization flaws and implement defense-in-depth strategies including proper logging, monitoring, and access control mechanisms to prevent unauthorized object access. The vulnerability serves as a reminder that even authenticated users can pose significant threats when proper authorization controls are not properly enforced.