CVE-2023-34053 : Security Advisory and Response
Learn about CVE-2023-34053, a vulnerability in Spring Framework versions 6.0.0 - 6.0.13 allowing DoS attacks. Understand its impact, technical details, and mitigation steps.
A detailed overview of the Spring Framework server Web Observations DoS vulnerability including its impact, technical details, and mitigation steps.
Understanding CVE-2023-34053
This CVE refers to a vulnerability in Spring Framework that allows a user to exploit specially crafted HTTP requests to cause a denial-of-service (DoS) condition.
What is CVE-2023-34053?
In Spring Framework versions 6.0.0 - 6.0.13, an attacker can trigger a DoS attack by sending malicious HTTP requests. This vulnerability affects applications that utilize Spring MVC or Spring WebFlux and have specific dependencies present.
The Impact of CVE-2023-34053
The vulnerability poses a medium severity risk, with a CVSS V3.1 base score of 5.3. Although it requires no user interaction and has low attack complexity, an attacker can disrupt the availability of affected systems.
Technical Details of CVE-2023-34053
Vulnerability Description
Users exploiting this vulnerability can potentially overload the application server, leading to unresponsiveness or crashes. Spring Boot applications are particularly susceptible if configured with specific dependencies.
Affected Systems and Versions
Spring Framework versions 6.0.0 - 6.0.13 are impacted by this vulnerability. Applications using Spring MVC or Spring WebFlux and certain dependencies are at risk.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted HTTP requests, triggering the DoS condition. Specific environmental conditions must exist for successful exploitation.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the risk associated with CVE-2023-34053, affected users should update their Spring Framework version to 6.0.14 or newer. Additionally, review and remove unnecessary dependencies that could be exploited.
Long-Term Security Practices
Ensure regular monitoring of Spring Framework security advisories and promptly apply recommended patches and updates. Implement robust security practices and monitor network traffic for abnormal patterns.
Patching and Updates
Stay informed about security releases from Spring Security and promptly apply patches to ensure your systems are protected against known vulnerabilities.