CVE-2021-32729 : Exploit Details and Defense Strategies
Learn about CVE-2021-32729, a security vulnerability in XWiki Platform versions before 12.6.88, 12.10.4, and 13.0 that allows users with Script rights to reset authentication failures, potentially leading to brute force attacks.
XWiki Platform is a generic wiki platform that provides runtime services for applications. A vulnerability in versions before 12.6.88, 12.10.4, and 13.0 allows a user with Script rights to reset the authentication failures record, potentially leading to brute force attacks. The issue has been patched in versions 12.6.8, 12.10.4, and 13.0. No workarounds are available except for upgrading.
Understanding CVE-2021-32729
This section delves into the details of the security vulnerability affecting XWiki Platform.
What is CVE-2021-32729?
CVE-2021-32729 is a vulnerability in XWiki Platform versions prior to 12.6.88, 12.10.4, and 13.0 that allows users with Script rights to reset the authentication failures record, potentially enabling brute force attacks.
The Impact of CVE-2021-32729
With a CVSS base score of 2 (Low severity), the vulnerability requires High privileges to exploit. An attacker could manipulate the authentication mechanism by resetting authentication failure records.
Technical Details of CVE-2021-32729
This section provides technical insights into the vulnerability.
Vulnerability Description
The script service method that resets authentication failures records can be executed by any user with Script rights, leading to potential brute force attacks.
Affected Systems and Versions
XWiki Platform versions > 11.6RC1, < 12.6.8, and >= 12.10.0, < 12.10.4 are affected by this vulnerability.
Exploitation Mechanism
Attackers with Script rights could reset authentication failure records, circumventing security measures and potentially launching brute force attacks.
Mitigation and Prevention
Explore the following steps to mitigate the CVE-2021-32729 vulnerability.
Immediate Steps to Take
Upgrade to XWiki Platform versions 12.6.8, 12.10.4, or 13.0 to patch the vulnerability. Restrict access to Script rights to authorized users only.
Long-Term Security Practices
Regularly monitor and audit user permissions and activities on the XWiki Platform. Educate users on secure authentication practices.
Patching and Updates
Stay informed about security advisories and updates from XWiki to promptly address any new vulnerabilities.