CVE-2023-47127 : Vulnerability Insights and Analysis
Learn about CVE-2023-47127, a vulnerability in TYPO3/CMS-Core allowing authentication bypass by reusing session cookies across sites. Upgrade to secure versions to prevent exploitation.
This article provides an overview of CVE-2023-47127, a vulnerability related to weak authentication in session handling in TYPO3/CMS-Core.
Understanding CVE-2023-47127
This CVE ID pertains to an authentication bypass vulnerability in TYPO3, which could allow an attacker to reuse a session cookie across multiple sites without additional authentication.
What is CVE-2023-47127?
TYPO3, an open-source PHP-based web content management system, is susceptible to weak authentication in session handling. Attackers can exploit this vulnerability to bypass authentication and access multiple sites utilizing the same session cookie.
The Impact of CVE-2023-47127
The impact of this vulnerability includes unauthorized access to sensitive information and potential compromise of user accounts. It poses a medium severity risk with a CVSS base score of 4.2.
Technical Details of CVE-2023-47127
This section delves into the specific technical details of the vulnerability.
Vulnerability Description
In affected versions of TYPO3, a session cookie generated for one site can be reused on another site without the need for additional authentication, potentially leading to unauthorized access.
Affected Systems and Versions
Versions of TYPO3 affected by this vulnerability include >= 8.0.0, < 8.7.55; >= 9.0.0, < 9.5.44; >= 10.0.0, < 10.4.41; >= 11.0.0, < 11.5.33; and >= 12.0.0, < 12.4.8.
Exploitation Mechanism
The exploitation of this vulnerability involves an attacker utilizing a session cookie from one TYPO3 site to gain unauthorized access to another TYPO3 installation without proper authentication.
Mitigation and Prevention
It is crucial to implement appropriate mitigation strategies to address this vulnerability and prevent potential security risks.
Immediate Steps to Take
Users are strongly recommended to upgrade their TYPO3 installations to the patched versions - 8.7.55, 9.5.44, 10.4.41, 11.5.33, or 12.4.8 to mitigate the risk of exploitation.
Long-Term Security Practices
To enhance overall system security, it is advisable to enforce strong authentication mechanisms, regularly update software components, and follow security best practices.
Patching and Updates
Regularly apply security patches and updates provided by TYPO3 to address known vulnerabilities and improve system security.