CVE-2023-34047 : Vulnerability Insights and Analysis
Learn about CVE-2023-34047 affecting Spring for GraphQL. Understand the impact, affected systems, exploitation mechanism, and mitigation steps to prevent data exposure.
A batch loader function in Spring for GraphQL versions 1.1.0 - 1.1.5 and 1.2.0 - 1.2.2 may be exposed to GraphQL context with values, including security context values, from a different session. This article provides details on CVE-2023-34047 affecting Spring for GraphQL.
Understanding CVE-2023-34047
The vulnerability in Spring for GraphQL exposes data and identity to the wrong session due to an issue in how values are handled.
What is CVE-2023-34047?
CVE-2023-34047 involves a batch loader function in Spring for GraphQL versions 1.1.0 - 1.1.5 and 1.2.0 - 1.2.2 that may inadvertently expose sensitive data to the GraphQL context from another session.
The Impact of CVE-2023-34047
The vulnerability allows an application to be compromised by exposing security context values from a different session, potentially leading to unauthorized access and data leaks.
Technical Details of CVE-2023-34047
The following technical details outline the vulnerability in Spring for GraphQL:
Vulnerability Description
A batch loader function is susceptible to exposing data to the wrong session when certain DataLoaderOptions instances are used during the batch loader function registration.
Affected Systems and Versions
Spring for GraphQL versions 1.1.0 - 1.1.5 and 1.2.0 - 1.2.2 are affected by this vulnerability, potentially impacting systems running these specific versions.
Exploitation Mechanism
The vulnerability can be exploited by an attacker with network access to manipulate the GraphQL context by leveraging the exposed security context values from a different session.
Mitigation and Prevention
Proactive measures can mitigate the risks associated with CVE-2023-34047:
Immediate Steps to Take
- Upgrade Spring for GraphQL to versions 1.1.6 or above to address the vulnerability.
- Verify and sanitize data passed into DataLoaderOptions instances to prevent data exposure.
Long-Term Security Practices
- Regularly monitor security advisories from Spring to stay informed about potential vulnerabilities.
- Implement secure coding practices to minimize security risks in your applications.
Patching and Updates
Stay updated on security patches and updates released by Spring to address CVE-2023-34047 and other vulnerabilities.