CVE-2023-50164 : Exploit Details and Defense Strategies
The critical vulnerability in Apache Struts file upload component enables path traversal, leading to malicious file uploads and Remote Code Execution. Upgrade to recommended versions to fix the issue.
Apache Struts: File upload component had a directory traversal vulnerability
Understanding CVE-2023-50164
Apache Struts has been identified with a critical vulnerability in the file upload component that allows path traversal, potentially leading to the upload of malicious files and enabling Remote Code Execution.
What is CVE-2023-50164?
The vulnerability in Apache Struts allows an attacker to manipulate file upload parameters, enabling paths traversal that can result in the uploading of a malicious file, leading to Remote Code Execution. Users are advised to upgrade to Struts versions 2.5.33 or Struts 6.3.0.2 or higher to address this issue.
The Impact of CVE-2023-50164
The impact of CVE-2023-50164 is critical, as it could allow an attacker to upload and execute malicious code on the affected system, potentially leading to unauthorized access and data breaches.
Technical Details of CVE-2023-50164
The vulnerability description, affected systems, and the exploitation mechanism of CVE-2023-50164 are as follows:
Vulnerability Description
An attacker can exploit the file upload component in Apache Struts to perform paths traversal and upload malicious files, facilitating Remote Code Execution.
Affected Systems and Versions
- Product: Apache Struts
- Vendor: Apache Software Foundation
- Affected Versions:
- Struts 2.0.0 through 2.5.32
- Struts 6.0.0 through 6.3.0.1
Exploitation Mechanism
Attackers can manipulate file upload parameters to traverse paths, enabling them to upload harmful files that can be used for Remote Code Execution.
Mitigation and Prevention
To protect systems from CVE-2023-50164, consider the following mitigation strategies:
Immediate Steps to Take
- Upgrade Apache Struts to versions 2.5.33 or 6.3.0.2 or later.
- Implement file upload restrictions and validation mechanisms.
- Monitor file upload activities for suspicious behavior.
Long-Term Security Practices
- Regularly update and patch Apache Struts to the latest versions.
- Conduct security training for developers to promote secure coding practices.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
Stay informed about security advisories and updates from Apache Software Foundation to apply patches promptly and mitigate known vulnerabilities.