CVE-2022-22968 : Security Advisory and Response
Learn about CVE-2022-22968 impacting Spring Framework versions. Find out how attackers can bypass field protection in DataBinder due to case sensitivity.
This article provides an overview of CVE-2022-22968, a vulnerability in Spring Framework versions 5.3.0 - 5.3.18, 5.2.0 - 5.2.20, and older unsupported versions that impacts data binding rules.
Understanding CVE-2022-22968
CVE-2022-22968 is a vulnerability in Spring Framework that makes the patterns for disallowedFields on a DataBinder case sensitive, affecting the effectiveness of field protection.
What is CVE-2022-22968?
In Spring Framework versions 5.3.0 - 5.3.18, 5.2.0 - 5.2.20, and older unsupported versions, the field protection mechanism is compromised due to the case sensitivity of disallowedFields patterns.
The Impact of CVE-2022-22968
This vulnerability could allow attackers to bypass field protection measures if fields are not listed with both upper and lower case for the first character, including nested fields within the property path.
Technical Details of CVE-2022-22968
Below are the technical details related to CVE-2022-22968:
Vulnerability Description
The vulnerability arises from the case sensitivity of disallowedFields patterns, leading to ineffective field protection within the DataBinder.
Affected Systems and Versions
Spring Framework versions 5.3.0 - 5.3.18, 5.2.0 - 5.2.20, and older unsupported versions are impacted by this vulnerability.
Exploitation Mechanism
Attackers could exploit this vulnerability by manipulating field names with different case combinations to evade field protection mechanisms.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-22968, consider the following:
Immediate Steps to Take
- Upgrade to the latest supported version of Spring Framework.
- Review and update disallowedFields patterns to include both upper and lower case combinations.
Long-Term Security Practices
- Regularly monitor for security updates and patches for the framework.
- Implement code reviews and security testing to identify and address vulnerabilities.
Patching and Updates
Stay informed about security advisories and apply patches promptly to ensure protection against known vulnerabilities.