CVE-2020-4079 : Exploit Details and Defense Strategies

Combodo iTop is a web-based IT Service Management tool. In iTop versions before 2.7.2 and 2.8.0, an information disclosure vulnerability exists that allows unauthorized access to data. This CVE has a CVSS base score of 7.7, indicating a high severity issue.

Understanding CVE-2020-4079

This CVE pertains to an information disclosure vulnerability in Combodo iTop versions prior to 2.7.2 and 2.8.0.

What is CVE-2020-4079?

The vulnerability in iTop allows users to access data without proper scope filtering, potentially exposing sensitive information.

The Impact of CVE-2020-4079

The vulnerability poses a high risk as it allows unauthorized users to view confidential data, impacting the confidentiality of the system.

Technical Details of CVE-2020-4079

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue arises when the ajax endpoint for the 'excel export' portal function is directly accessed, bypassing scope filtering and enabling unauthorized data access.

Affected Systems and Versions

Product: iTop
Vendor: Combodo
Versions Affected: < 2.7.2

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Scope: Changed
Confidentiality Impact: High
Integrity Impact: None
Availability Impact: None

Mitigation and Prevention

Protecting systems from CVE-2020-4079 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade iTop to version 2.7.2 or higher to mitigate the vulnerability.
Monitor and restrict access to sensitive data.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities.
Implement access controls and user permissions to limit data exposure.

Patching and Updates

Apply patches provided by Combodo to fix the vulnerability and enhance system security.