Overview
SunGrow iSolarCloud, a powerful online platform for managing and monitoring solar plants, has been found to be susceptible to Insecure Direct Object References (IDOR) vulnerability in versions prior to the October 31, 2024 remediation. This critical security flaw can potentially allow an attacker to gain unauthorized access to sensitive data associated with the application. In this article, we will delve into the details of CVE-2024-50689, from understanding the vulnerability and examining the affected API model to evaluating the remediation steps taken by SunGrow iSolarCloud.
Affected Components
The vulnerability stems from the orgService API model, which can be exploited by malicious users to manipulate resource references and gain unauthorized access through exposed URLs and parameters - a classic example of IDOR exploitation. The problem lies within the way SunGrow iSolarCloud handles access control, thereby permitting attackers to make arbitrary requests to the API.
Understanding IDOR Vulnerability
Insecure Direct Object References is a type of access control vulnerability that can allow attackers to bypass the authorization checks implemented within the application. By manipulating the reference object, the attackers can access unprotected data directly through either a URL or parameter value. IDOR vulnerabilities often stem from a lack of proper access control mechanisms.
Technical Analysis
To better understand this vulnerability, let's consider an example. The code snippet below reveals an insecure implementation of the orgService API model, allowing unauthorized access to user data:
1. app_api.get('/orgService/roles/:roleId/users', async (ctx) => {
2. const { roleId } = ctx.params;
3. const users = await fetch(https://api.isolarcloud.com/org/roles/${roleId}/users);
4. ctx.body = users;
5. });
This implementation allows a potential attacker to tamper with the roleId parameter, effectively granting them unrestricted access to all users associated with other roles as well. The vulnerability in question arises in line 3, where the fetch command retrieves user data based on the roleId, making it susceptible to manipulation.
Proof of Concept
To demonstrate the vulnerability, an attacker can craft a request like the following, altering the roleId parameter:
GET https://api.isolarcloud.com/orgService/roles/5/users
By modifying the roleId, the attacker would be able to enumerate other role IDs, potentially leading to unauthorized access to sensitive user data associated with different roles.
CVE-2024-50689 References
The details about this vulnerability have been made available in various publically accessible security databases, including:
1. National Vulnerability Database (NVD) Entry: CVE-2024-50689
2. MITRE's CVE Entry: CVE-2024-50689
SunGrow iSolarCloud's Remediation
As of October 31, 2024, SunGrow iSolarCloud has addressed this critical security vulnerability by implementing tighter access control mechanisms and validation checks within the orgService API model. Users are urged to update their SunGrow iSolarCloud implementation to the patched version, thereby eliminating the IDOR vulnerability and safeguarding their sensitive data.
Conclusion
In conclusion, vulnerabilities like CVE-2024-50689 highlight the need for rigorous security testing and continuous improvement of access controls in software development. SunGrow iSolarCloud has taken the necessary steps to remediate this issue, and users should promptly update their software to prevent unauthorized access to sensitive data.
Timeline
Published on: 02/26/2025 21:15:17 UTC
Last modified on: 04/07/2025 18:51:27 UTC