CVE-2019-3774 : Exploit Details and Defense Strategies
Learn about CVE-2019-3774, an XML External Entity Injection (XXE) vulnerability affecting Spring Batch versions 3.0.9, 4.0.1, 4.1.0, and older unsupported versions. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
XML External Entity Injection (XXE) vulnerability affected Spring Batch versions 3.0.9, 4.0.1, 4.1.0, and any unsupported older versions. This vulnerability occurred when XML data from untrusted sources was received.
Understanding CVE-2019-3774
Spring Batch XML External Entity Injection (XXE) vulnerability
What is CVE-2019-3774?
CVE-2019-3774 is an XML External Entity Injection (XXE) vulnerability that impacted Spring Batch versions 3.0.9, 4.0.1, 4.1.0, and older unsupported versions.
The Impact of CVE-2019-3774
- Vulnerability allowed attackers to exploit XML External Entity Injection (XXE) when processing XML data from untrusted sources.
Technical Details of CVE-2019-3774
XML External Entity Injection (XXE) vulnerability in Spring Batch
Vulnerability Description
- Spring Batch versions 3.0.9, 4.0.1, 4.1.0, and older unsupported versions were susceptible to XXE when processing XML data.
Affected Systems and Versions
- Spring Batch versions 3.0.9, 4.0.1, 4.1.0, and any unsupported older versions
Exploitation Mechanism
- Attackers could exploit the vulnerability by injecting malicious XML entities into the data processed by Spring Batch.
Mitigation and Prevention
Steps to address and prevent CVE-2019-3774
Immediate Steps to Take
- Upgrade Spring Batch from 3.0.9, 4.0.1, 4.1.0, or older unsupported versions to patched versions.
- Implement input validation to sanitize XML data.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Educate developers on secure coding practices to prevent XXE vulnerabilities.
Patching and Updates
- Apply the latest patches and updates provided by Spring to address the XXE vulnerability.