CVE-2023-49620 : What You Need to Know
Discover how CVE-2023-49620 affects Apache DolphinScheduler, allowing authenticated users to delete unauthorized UDF functions. Learn about the impact, technical details, and mitigation steps.
Apache DolphinScheduler: Authenticated users could delete UDFs in resource center they were not authorized for
Understanding CVE-2023-49620
This CVE discloses an unauthorized access vulnerability in Apache DolphinScheduler, allowing authenticated users to delete UDF functions in the resource center they were not authorized for.
What is CVE-2023-49620?
Before DolphinScheduler version 3.1.0, the login user could delete UDF functions in the resource center unauthorized, resulting in an unauthorized access vulnerability (IDOR). This issue was fixed in version 3.1.0, marking it as a moderate-level vulnerability as it still requires user login.
The Impact of CVE-2023-49620
The impact of this vulnerability lies in the potential for an authenticated user to delete UDF functions in the resource center without proper authorization, leading to unauthorized access and potential security breaches.
Technical Details of CVE-2023-49620
Vulnerability Description
The vulnerability in Apache DolphinScheduler allows authenticated users to delete UDF functions in the resource center they were not authorized for, posing a risk of unauthorized access.
Affected Systems and Versions
The affected product is Apache DolphinScheduler with a version less than 3.1.0. Users of version 2.0.0 are susceptible to this vulnerability.
Exploitation Mechanism
The exploitation of this vulnerability involves an authenticated user manipulating the system to delete UDF functions in the resource center where they lack authorization, compromising the system's security.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the vulnerability, users are advised to upgrade to version 3.1.0 or higher of DolphinScheduler. Ensure that only authorized users have access to delete UDF functions.
Long-Term Security Practices
In the long term, organizations should enforce proper authorization mechanisms to prevent unauthorized access. Regular security audits and user access reviews are crucial.
Patching and Updates
Stay updated with Apache DolphinScheduler's security advisories and promptly apply patches to address any identified vulnerabilities.