CVE-2019-4177 : Vulnerability Insights and Analysis

IBM Cognos Controller versions 10.2.0, 10.2.1, 10.3.0, 10.3.1, and 10.4.0 have a vulnerability that allows local storage of web pages, potentially accessible by other users on the same system.

Understanding CVE-2019-4177

This CVE involves a security issue in IBM Cognos Controller versions 10.2.0 to 10.4.0, impacting data confidentiality.

What is CVE-2019-4177?

The local storage feature in affected versions of IBM Cognos Controller enables web pages to be accessed and read by other users on the same system.

The Impact of CVE-2019-4177

CVSS Base Score: 4 (Medium Severity)
Attack Vector: Local
Confidentiality Impact: Low
Integrity Impact: None
Availability Impact: None
Exploit Code Maturity: Unproven
Privileges Required: None
User Interaction: None
Scope: Unchanged
Vector String: CVSS:3.0/UI:N/PR:N/I:N/A:N/C:L/AV:L/S:U/AC:L/E:U/RL:O/RC:C

Technical Details of CVE-2019-4177

Vulnerability Description

The vulnerability allows web pages to be stored locally, potentially compromising sensitive information.

Affected Systems and Versions

Product: Cognos Controller
Vendor: IBM
Versions: 10.2.0, 10.2.1, 10.3.0, 10.3.1, 10.4.0

Exploitation Mechanism

The issue arises from the local storage functionality in the affected versions, allowing unauthorized access to stored web pages.

Mitigation and Prevention

Immediate Steps to Take

Apply official fixes provided by IBM.
Restrict access to sensitive information.

Long-Term Security Practices

Regularly monitor and audit access to stored web pages.
Educate users on secure data handling practices.

Patching and Updates

Ensure that the Cognos Controller software is updated with the latest patches and security fixes.