CVE-2019-20327 : Vulnerability Insights and Analysis
CVE-2019-20327 allows local attackers to gain privileges in Centreon Infrastructure Monitoring Software. Learn about the impact, affected versions, and mitigation steps.
Local attackers can exploit insecure permissions in cwrapper_perl, a setuid executable used in Centreon Infrastructure Monitoring Software up to version 19.10, to elevate their privileges within the system. This allows them to execute Perl scripts with root privileges.
Understanding CVE-2019-20327
Insecure permissions in cwrapper_perl in Centreon Infrastructure Monitoring Software through version 19.10 allow local attackers to gain privileges.
What is CVE-2019-20327?
CVE-2019-20327 is a vulnerability in Centreon Infrastructure Monitoring Software that enables local attackers to escalate their privileges by exploiting insecure permissions in the cwrapper_perl setuid executable.
The Impact of CVE-2019-20327
The vulnerability allows attackers to execute Perl scripts with root privileges, potentially leading to unauthorized access and control over the system.
Technical Details of CVE-2019-20327
The technical aspects of the vulnerability are as follows:
Vulnerability Description
- Type: Insecure Permissions
- Component: cwrapper_perl
- Software: Centreon Infrastructure Monitoring Software
Affected Systems and Versions
- Systems: Local systems with Centreon Infrastructure Monitoring Software up to version 19.10
- Versions: 19.10 and prior
Exploitation Mechanism
- Attackers exploit insecure permissions in cwrapper_perl to elevate their privileges within the system
- The setuid executable allows execution of Perl scripts with root privileges
Mitigation and Prevention
To address CVE-2019-20327, consider the following mitigation strategies:
Immediate Steps to Take
- Update Centreon Infrastructure Monitoring Software to the latest version
- Restrict access to the vulnerable executable
- Monitor and audit system calls for unusual activities
Long-Term Security Practices
- Implement the principle of least privilege to limit user permissions
- Conduct regular security assessments and penetration testing
- Educate users on secure coding practices and the risks of privilege escalation
Patching and Updates
- Apply patches and updates provided by Centreon to fix the vulnerability
- Stay informed about security advisories and best practices to enhance system security