CVE-2021-28023 : Security Advisory and Response
Discover the impact of CVE-2021-28023, an arbitrary file upload vulnerability in ServiceTonic Helpdesk software allowing JSP code execution. Learn about mitigation steps and prevention measures.
Arbitrary file upload in Service import feature in ServiceTonic Helpdesk software version < 9.0.35937 allows a malicious user to execute JSP code by uploading a zip that extracts files in relative paths.
Understanding CVE-2021-28023
This CVE highlights a vulnerability in ServiceTonic Helpdesk software that can be exploited by an attacker to execute malicious code.
What is CVE-2021-28023?
The CVE-2021-28023 vulnerability pertains to arbitrary file upload in the Service import feature of ServiceTonic Helpdesk software version below 9.0.35937.
The Impact of CVE-2021-28023
This vulnerability allows a malicious user to upload a zip file containing files in relative paths, leading to the execution of JSP code, hence enabling potential remote code execution attacks.
Technical Details of CVE-2021-28023
This section provides further details on the vulnerability.
Vulnerability Description
The vulnerability lies in the Service import feature of ServiceTonic Helpdesk software, allowing unauthorized users to upload files that can trigger JSP code execution.
Affected Systems and Versions
ServiceTonic Helpdesk software versions lower than 9.0.35937 are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by uploading a zip file that extracts files in relative paths, enabling the execution of malicious JSP code.
Mitigation and Prevention
To protect systems from CVE-2021-28023, immediate action and long-term security practices are essential.
Immediate Steps to Take
Ensure that ServiceTonic Helpdesk software is updated to a version that addresses this vulnerability. Additionally, restrict access to the Service import feature.
Long-Term Security Practices
Implement strict file upload validation, regularly update software, and conduct security audits to prevent similar vulnerabilities.
Patching and Updates
Stay informed about security patches released by the software provider, and promptly apply them to safeguard against potential exploitation.