CVE-2019-4623 : Security Advisory and Response

IBM Cognos Analytics versions 11.0 and 11.1 are susceptible to a cross-site scripting vulnerability that could allow attackers to insert malicious JavaScript code into the Web UI, potentially compromising sensitive information.

Understanding CVE-2019-4623

This CVE involves a security flaw in IBM Cognos Analytics versions 11.0 and 11.1 that exposes them to cross-site scripting attacks.

What is CVE-2019-4623?

The vulnerability in IBM Cognos Analytics allows users to inject their JavaScript code into the Web UI, altering its intended functionality.
Attackers could exploit this to potentially reveal login credentials during trusted sessions.

The Impact of CVE-2019-4623

CVSS Base Score: 5.4 (Medium Severity)
Attack Vector: Network
Exploit Code Maturity: High
User Interaction: Required
Scope: Changed
Vector String: CVSS:3.0/UI:R/AC:L/AV:N/I:L/PR:L/A:N/C:L/S:C/E:H/RL:O/RC:C

Technical Details of CVE-2019-4623

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows for cross-site scripting, enabling the insertion of arbitrary JavaScript code into the Web UI.

Affected Systems and Versions

IBM Cognos Analytics versions 11.0 and 11.1

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious JavaScript code into the Web UI, potentially leading to the disclosure of sensitive information.

Mitigation and Prevention

Protecting systems from CVE-2019-4623 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Educate users about the risks of executing arbitrary JavaScript code.

Long-Term Security Practices

Regularly update and patch IBM Cognos Analytics to prevent known vulnerabilities.
Implement security measures to detect and block cross-site scripting attacks.

Patching and Updates

Stay informed about security bulletins and updates from IBM to apply patches promptly.