CVE-2018-1000219 : Exploit Details and Defense Strategies
Learn about CVE-2018-1000219, a Cross Site Scripting (XSS) vulnerability in OpenEMR version v5_0_1_4. Find out how remote authenticated attackers can inject malicious scripts and the steps to mitigate the risk.
In the OpenEMR version v5_0_1_4, a Cross Site Scripting (XSS) vulnerability exists in the 'fax_view.php' file, allowing authenticated remote attackers to inject arbitrary web scripts or HTML by manipulating the 'scan' parameter.
Understanding CVE-2018-1000219
This CVE identifies a specific vulnerability in OpenEMR version v5_0_1_4.
What is CVE-2018-1000219?
The vulnerability in line #41 of 'fax_view.php' in the 'interface/fax' directory allows remote authenticated attackers to inject malicious scripts or HTML by altering the 'scan' parameter.
The Impact of CVE-2018-1000219
- Attackers can execute Cross Site Scripting (XSS) attacks through crafted URLs.
Technical Details of CVE-2018-1000219
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in OpenEMR version v5_0_1_4 enables remote authenticated attackers to inject arbitrary web scripts or HTML by manipulating the 'scan' parameter in the 'fax_view.php' file.
Affected Systems and Versions
- OpenEMR version v5_0_1_4
Exploitation Mechanism
- Attackers need victims to access a specifically crafted URL to exploit this vulnerability.
Mitigation and Prevention
Protecting systems from CVE-2018-1000219 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by OpenEMR promptly.
- Educate users on safe browsing practices to avoid clicking on suspicious links.
Long-Term Security Practices
- Regularly update and patch OpenEMR installations.
- Implement web application firewalls to mitigate XSS attacks.
Patching and Updates
- Stay informed about security updates and apply them as soon as they are released.