CVE-2020-24045 : What You Need to Know
Learn about CVE-2020-24045, a sandbox escape issue in TitanHQ SpamTitan Gateway 7.07 allowing unauthorized script execution. Find mitigation steps and long-term security practices.
A sandbox escape issue in TitanHQ SpamTitan Gateway 7.07 allows bypassing the restricted shell by presenting a fake vmware-tools ISO image, leading to unauthorized execution of scripts with super-user privileges.
Understanding CVE-2020-24045
What is CVE-2020-24045?
This CVE describes a vulnerability in TitanHQ SpamTitan Gateway 7.07 that enables an attacker to escape the restricted shell and execute unauthorized scripts with elevated privileges.
The Impact of CVE-2020-24045
The vulnerability allows an attacker to present a fake ISO image to the virtual machine running SpamTitan Gateway, leading to potential execution of malicious scripts with super-user permissions.
Technical Details of CVE-2020-24045
Vulnerability Description
The issue arises from a flaw in handling the installation of VMware Tools in the restricted shell, allowing the execution of arbitrary scripts.
Affected Systems and Versions
- Product: TitanHQ SpamTitan Gateway 7.07
- Vendor: TitanHQ
- Version: 7.07
Exploitation Mechanism
- Attacker presents a fake vmware-tools ISO image
- ISO image contains a valid Perl script at a specific path
- Script is executed with super-user privileges upon selecting the hidden option to install VMware Tools
Mitigation and Prevention
Immediate Steps to Take
- Disable unnecessary services and features
- Implement network segmentation to limit the attack surface
- Monitor system logs for suspicious activities
Long-Term Security Practices
- Regularly update and patch software and systems
- Conduct security assessments and penetration testing
Patching and Updates
- Apply vendor-supplied patches promptly to address the vulnerability