CVE-2022-38803 : Security Advisory and Response
Learn about the impact of CVE-2022-38803 in Zkteco BioTime < 8.5.3 Build:20200816.447, allowing authenticated users to access local files through XSS injection. Find mitigation steps here.
A security vulnerability has been identified in Zkteco BioTime < 8.5.3 Build:20200816.447 that could allow an authenticated employee to read local files by exploiting XSS into a pdf generator when exporting data as a PDF.
Understanding CVE-2022-38803
This section will cover the details of CVE-2022-38803 and its impact on affected systems.
What is CVE-2022-38803?
The vulnerability in Zkteco BioTime < 8.5.3 Build:20200816.447 allows users with authenticated access to potentially read local files through XSS exploitation during data export.
The Impact of CVE-2022-38803
The impact includes unauthorized access to sensitive files and data by exploiting the XSS vulnerability, compromising the confidentiality of information.
Technical Details of CVE-2022-38803
Explore the technical aspects of the vulnerability, affected systems, and how the exploitation mechanism works.
Vulnerability Description
The vulnerability arises from Incorrect Access Control via Leave, Overtime, and Manual Log features, enabling unauthorized local file access.
Affected Systems and Versions
Zkteco BioTime versions prior to 8.5.3 Build:20200816.447 are affected by this XSS vulnerability, putting them at risk of file exposure.
Exploitation Mechanism
By exporting data as a PDF, an authenticated employee can inject XSS payloads to trigger unauthorized file access via the pdf generator.
Mitigation and Prevention
Learn about the immediate steps to secure your systems and best practices for long-term security.
Immediate Steps to Take
It is recommended to update Zkteco BioTime to the latest version, apply security patches, and restrict employee access to sensitive functionalities.
Long-Term Security Practices
Implement regular security audits, educate employees on XSS risks, and enforce a secure data export policy to prevent similar vulnerabilities.
Patching and Updates
Stay vigilant for security advisories from Zkteco, promptly apply patches, and ensure all software components are kept up to date to mitigate potential risks.