CVE-2020-14166 Explained : Impact and Mitigation
Learn about CVE-2020-14166 affecting Jira Service Desk Server and Data Center. Discover the impact, affected versions, and mitigation steps for this Cross Site Scripting (XSS) vulnerability.
Jira Service Desk Server and Data Center before version 4.10.0 are affected by a Cross Site Scripting (XSS) vulnerability that allows remote attackers to inject arbitrary HTML or JavaScript names.
Understanding CVE-2020-14166
This CVE involves a security issue in Jira Service Desk Server and Data Center that could be exploited by attackers with project administrator privileges.
What is CVE-2020-14166?
The vulnerability in the /servicedesk/customer/portals resource allows for the injection of malicious code via an XSS attack, potentially compromising the integrity of the system.
The Impact of CVE-2020-14166
The vulnerability enables attackers to upload a malicious HTML file, leading to the execution of arbitrary code within the context of the affected application.
Technical Details of CVE-2020-14166
Jira Service Desk Server and Data Center versions prior to 4.10.0 are susceptible to this XSS vulnerability.
Vulnerability Description
The flaw permits remote attackers with project administrator privileges to inject arbitrary HTML or JavaScript names by uploading a crafted HTML file.
Affected Systems and Versions
- Product: Jira Service Desk Server and Data Center
- Vendor: Atlassian
- Versions Affected: < 4.10.0
Exploitation Mechanism
Attackers with project administrator privileges can exploit the vulnerability by uploading a specially crafted HTML file to the /servicedesk/customer/portals resource.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Upgrade to version 4.10.0 or later to mitigate the XSS vulnerability.
- Implement strict input validation to prevent malicious code injection.
Long-Term Security Practices
- Regularly monitor and audit user inputs and file uploads for suspicious content.
- Educate users on safe practices to prevent XSS attacks.
Patching and Updates
- Apply security patches and updates provided by Atlassian to address the vulnerability and enhance system security.