CVE-2022-36075 : What You Need to Know
Learn about CVE-2022-36075, a vulnerability in Nextcloud's Files Access Control where users with limited access can view file names beyond their privileges. Upgrade to secure versions for protection.
Nextcloud files access control is a Nextcloud app designed to manage access control for files. Users with limited access may view file names in certain cases where they lack privileges. This issue has been resolved by upgrading the Nextcloud Files Access Control app to versions 1.12.2, 1.13.1, or 1.14.1. No workarounds are currently available.
Understanding CVE-2022-36075
This section provides insights into the File list exposure vulnerability in Nextcloud's Files Access Control.
What is CVE-2022-36075?
CVE-2022-36075 refers to the File list exposure vulnerability in Nextcloud Files Access Control, allowing users with restricted access to view file names beyond their privileges.
The Impact of CVE-2022-36075
The vulnerability has a low base severity of 2.6 CVSSv3.1 score, with characteristics such as high attack complexity, network-level attack vector, and high privileges required. While the confidentiality impact is low, integrity impact is none, and user interaction is required.
Technical Details of CVE-2022-36075
Delve into the technical aspects of the CVE-2022-36075 vulnerability to understand its implications clearly.
Vulnerability Description
The exposure of sensitive information to unauthorized actors in Nextcloud's Files Access Control can lead to unauthorized access to file names beyond permitted privileges.
Affected Systems and Versions
Nextcloud versions < 1.12.2, >= 1.13.0 and < 1.13.1, >= 1.14.0 and < 1.14.1 are impacted by this vulnerability.
Exploitation Mechanism
Attackers with high privileges can exploit this vulnerability by utilizing network-based attack vectors to access file names in the Nextcloud Files Access Control app.
Mitigation and Prevention
Explore the necessary steps to mitigate and prevent the CVE-2022-36075 vulnerability effectively.
Immediate Steps to Take
Upgrade the Nextcloud Files Access Control app to versions 1.12.2, 1.13.1, or 1.14.1. Additionally, monitor file access and restrict privileges accordingly.
Long-Term Security Practices
Regularly update and patch Nextcloud installations to ensure overall security. Educate users on data access control and best practices for file management.
Patching and Updates
Stay informed about security advisories and updates from Nextcloud to promptly address any emerging vulnerabilities.