CVE-2022-24688 : Security Advisory and Response
Discover the impact of CVE-2022-24688, a security vulnerability in DSK DSKNet 2.16.136.0 and 2.17.136.5 allowing for remote code execution. Learn how to mitigate and prevent exploitation.
An issue was discovered in DSK DSKNet 2.16.136.0 and 2.17.136.5 that allows unrestricted file upload leading to Remote Code Execution. Attackers can exploit this vulnerability by uploading a PDF with PHP content and a .php extension. Privileged user access to the Parameters page is required for exploitation.
Understanding CVE-2022-24688
This CVE involves a security issue in DSK DSKNet versions 2.16.136.0 and 2.17.136.5, enabling attackers to execute remote code through file uploads.
What is CVE-2022-24688?
The vulnerability in DSK DSKNet allows attackers to upload malicious files via the Touch settings feature, potentially leading to Remote Code Execution.
The Impact of CVE-2022-24688
Exploiting this vulnerability can result in unauthorized execution of code on the affected system, posing a significant security risk.
Technical Details of CVE-2022-24688
In this section, we delve into the specific technical aspects of CVE-2022-24688.
Vulnerability Description
The vulnerability in DSK DSKNet versions 2.16.136.0 and 2.17.136.5 enables attackers to upload PHP content within a PDF file with a .php extension, allowing them to achieve Remote Code Execution.
Affected Systems and Versions
DSK DSKNet versions 2.16.136.0 and 2.17.136.5 are impacted by this vulnerability, potentially exposing systems running these versions to exploitation.
Exploitation Mechanism
To exploit this CVE, attackers need to gain privileged user access to the Parameters page and upload a malicious PDF file with PHP content and a .php extension. Subsequently, the file is stored in the database and copied to the sync web folder upon visiting a specific .php?action= page.
Mitigation and Prevention
Mitigating CVE-2022-24688 requires immediate action to enhance the security posture of affected systems.
Immediate Steps to Take
Organizations should restrict user access, validate file uploads, and implement strong access controls to prevent unauthorized file execution.
Long-Term Security Practices
Regular security assessments and code reviews can help identify and mitigate similar vulnerabilities in the future, enhancing overall system security.
Patching and Updates
It is crucial to apply security patches provided by the vendor promptly to address and remediate the vulnerability in DSK DSKNet versions 2.16.136.0 and 2.17.136.5.