CVE-2019-4268 : Security Advisory and Response
Learn about CVE-2019-4268 affecting IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0. Understand the impact, technical details, and mitigation steps for this vulnerability.
IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0 are vulnerable to a directory traversal attack that allows remote attackers to access unauthorized files on the system.
Understanding CVE-2019-4268
This CVE involves a security vulnerability in IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0 that enables attackers to navigate through system directories and view unauthorized files.
What is CVE-2019-4268?
The vulnerability in IBM WebSphere Application Server versions 7.0, 8.0, 8.5, and 9.0 allows remote attackers to manipulate URLs with "dot dot" sequences to access restricted files on the system.
The Impact of CVE-2019-4268
- CVSS Base Score: 5.3 (Medium)
- Attack Vector: Network
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: None
- Privileges Required: None
- Exploit Code Maturity: Unproven
- Remediation Level: Official Fix
- Report Confidence: Confirmed
Technical Details of CVE-2019-4268
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows remote attackers to traverse directories on the system by sending specially-crafted URLs with "dot dot" sequences (/../) to view arbitrary files.
Affected Systems and Versions
- IBM WebSphere Application Server 7.0
- IBM WebSphere Application Server 8.0
- IBM WebSphere Application Server 8.5
- IBM WebSphere Application Server 9.0
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating URLs with "dot dot" sequences to access unauthorized files on the system.
Mitigation and Prevention
Protect your systems from CVE-2019-4268 with the following steps:
Immediate Steps to Take
- Apply official fixes provided by IBM.
- Monitor system logs for any suspicious activities.
- Implement network security measures to restrict unauthorized access.
Long-Term Security Practices
- Regularly update and patch IBM WebSphere Application Server.
- Conduct security audits and penetration testing to identify vulnerabilities.
Patching and Updates
- Stay informed about security bulletins and updates from IBM.
- Apply patches promptly to secure your systems.