CVE-2019-19821 Explained : Impact and Mitigation
Learn about CVE-2019-19821 affecting Combodo iTop web application. Find out how authenticated users can exploit a vulnerability to gain unauthorized access and modify information with administrative privileges.
The web application of Combodo iTop has a vulnerability that allows authenticated users to gain unauthorized access and modify information with administrative privileges by bypassing the HTTP Location header in server responses. This issue has been fixed in the latest versions of iTop packages.
Understanding CVE-2019-19821
This CVE involves a post-authentication privilege escalation in Combodo iTop, enabling regular authenticated users to access and modify information with administrative privileges.
What is CVE-2019-19821?
The vulnerability in Combodo iTop's web application permits authenticated users to gain unauthorized access and modify information with administrative privileges by disregarding the HTTP Location header in server responses.
The Impact of CVE-2019-19821
The vulnerability allows attackers to escalate their privileges post-authentication, potentially leading to unauthorized access and modification of critical information within the system.
Technical Details of CVE-2019-19821
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability in Combodo iTop's web application allows authenticated users to bypass security measures and gain unauthorized access with administrative privileges.
Affected Systems and Versions
- All iTop packages (community, essential, professional)
- Versions 2.5.4, 2.6.3, 2.7.0
Exploitation Mechanism
The exploitation involves ignoring the HTTP Location header in server responses, enabling authenticated users to manipulate information with administrative rights.
Mitigation and Prevention
Protect your system from CVE-2019-19821 with the following steps:
Immediate Steps to Take
- Update iTop packages to the latest versions (2.5.4, 2.6.3, 2.7.0)
- Monitor user activities for any suspicious behavior
Long-Term Security Practices
- Implement least privilege access controls
- Regularly audit and review user permissions
Patching and Updates
- Apply security patches promptly
- Stay informed about security advisories and updates