CVE-2023-46303 : Security Advisory and Response
Learn about CVE-2023-46303, a security vulnerability in calibre allowing the addition of resources outside the document root by default. Explore impact, technical details, and mitigation strategies.
A detailed overview of CVE-2023-46303 focusing on the vulnerability, impact, technical details, and mitigation strategies.
Understanding CVE-2023-46303
CVE-2023-46303 involves a security issue in calibre before version 6.19.0 that allows the addition of resources outside the document root by default.
What is CVE-2023-46303?
This vulnerability, present in link_to_local_path in ebooks/conversion/plugins/html_input.py in calibre, enables the inclusion of resources beyond the document root, potentially leading to unauthorized data access.
The Impact of CVE-2023-46303
The exploitable nature of CVE-2023-46303 can result in a security breach, allowing attackers to access restricted resources or escalate privileges within the affected system.
Technical Details of CVE-2023-46303
Explore the specific technical aspects of CVE-2023-46303 to understand the vulnerability better.
Vulnerability Description
The flaw in calibre before version 6.19.0 permits the addition of resources outside the document root, creating a pathway for unauthorized access and potential data leakage.
Affected Systems and Versions
All versions of calibre preceding 6.19.0 are susceptible to CVE-2023-46303, potentially impacting systems where this software is utilized.
Exploitation Mechanism
Exploiting this vulnerability requires utilizing the link_to_local_path in ebooks/conversion/plugins/html_input.py to include resources from outside the intended document root, breaching security protocols.
Mitigation and Prevention
Discover the essential steps to mitigate the risks posed by CVE-2023-46303 and prevent potential security incidents.
Immediate Steps to Take
Users are advised to update calibre to version 6.19.0 or later to address the vulnerability and prevent unauthorized access to resources.
Long-Term Security Practices
Implementing robust access controls, regular security audits, and maintaining up-to-date software versions are crucial for enhancing overall system security.
Patching and Updates
Regularly monitor for security patches and updates for calibre to ensure timely application of fixes and fortification against emerging threats.