CVE-2019-4040 : What You Need to Know
Learn about CVE-2019-4040 affecting IBM I versions 7.2 and 7.3, allowing cross-site scripting. Find mitigation steps and patching details to secure your systems.
A vulnerability has been identified in IBM I versions 7.2 and 7.3, allowing for cross-site scripting, potentially leading to credential exposure.
Understanding CVE-2019-4040
This CVE involves a vulnerability in IBM I versions 7.2 and 7.3 related to cross-site scripting, impacting the Web UI.
What is CVE-2019-4040?
The vulnerability enables users to insert JavaScript code into the Web UI, affecting its intended operation and potentially exposing credentials within a trusted session.
The Impact of CVE-2019-4040
- CVSS Base Score: 6.1 (Medium Severity)
- Attack Vector: Network
- Exploit Code Maturity: High
- User Interaction: Required
- Scope: Changed
- Confidentiality Impact: Low
- Integrity Impact: Low
- Availability Impact: None
Technical Details of CVE-2019-4040
Vulnerability Description
The vulnerability allows users to embed arbitrary JavaScript code in the Web UI, potentially leading to credential disclosure within a trusted session.
Affected Systems and Versions
- Product: IBM I
- Versions Affected: 7.2, 7.3
Exploitation Mechanism
The vulnerability can be exploited by inserting malicious JavaScript code into the Web UI, impacting the system's functionality.
Mitigation and Prevention
Immediate Steps to Take
- Apply official fixes provided by IBM
- Monitor for any unusual activities indicating exploitation
Long-Term Security Practices
- Regularly update and patch systems to prevent vulnerabilities
- Educate users on safe browsing practices
Patching and Updates
IBM has released patches to address this vulnerability and prevent potential exploitation.