CVE-2019-19896 Explained : Impact and Mitigation
Learn about CVE-2019-19896, a critical vulnerability in IXP EasyInstall version 6.2.13723 that allows remote code execution. Find out the impact, affected systems, and mitigation steps.
IXP EasyInstall version 6.2.13723 potentially exposes a vulnerability where unauthorized individuals may have the ability to remotely execute code due to weak permissions on the Engine Service share. This vulnerability could lead to the execution of code on the target server and clients in the context of NT AUTHORITY\SYSTEM.
Understanding CVE-2019-19896
This CVE involves a Remote Code Execution vulnerability in IXP EasyInstall version 6.2.13723 due to weak permissions on the Engine Service share.
What is CVE-2019-19896?
CVE-2019-19896 is a critical vulnerability in IXP EasyInstall version 6.2.13723 that allows unauthorized individuals to remotely execute code by exploiting weak permissions on the Engine Service share.
The Impact of CVE-2019-19896
The impact of this vulnerability is critical, with a CVSS base score of 9.9. It has high impacts on confidentiality, integrity, and availability, allowing attackers to execute code on the target server and clients.
Technical Details of CVE-2019-19896
This section provides technical details of the vulnerability.
Vulnerability Description
The default file permissions of the IXP$ share on the server can be modified, enabling the execution of code, such as bat-scripts, in the context of NT AUTHORITY\SYSTEM.
Affected Systems and Versions
- Affected Version: 6.2.13723
- Product: IXP EasyInstall
- Vendor: N/A
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
- Scope: Changed
Mitigation and Prevention
Protecting systems from CVE-2019-19896 is crucial to prevent unauthorized code execution.
Immediate Steps to Take
- Disable unnecessary services and shares.
- Apply the principle of least privilege to restrict access.
- Monitor and log file modifications for suspicious activities.
Long-Term Security Practices
- Regularly update and patch software to address vulnerabilities.
- Conduct security assessments and penetration testing.
- Educate users on safe computing practices.
Patching and Updates
- Apply patches and updates provided by the software vendor.