CVE-2023-29517 : Vulnerability Insights and Analysis
Learn about CVE-2023-29517, a high-severity vulnerability in XWiki Platform's office viewer macro, exposing sensitive information to unauthorized actors. Find mitigation steps and long-term security practices here.
This article provides detailed information about CVE-2023-29517, a vulnerability that exposes sensitive information to an unauthorized actor in org.xwiki.platform:xwiki-platform-office-viewer.
Understanding CVE-2023-29517
CVE-2023-29517 highlights a security flaw in XWiki Platform's office document viewer macro. The vulnerability allows unauthorized access to sensitive information stored on the hosting server.
What is CVE-2023-29517?
The XWiki Platform, a versatile wiki platform, was susceptible to a security loophole that granted unrestricted access to file content on the server. This flaw potentially compromised user data and allowed unauthorized internal requests to server resources.
The Impact of CVE-2023-29517
The exposure of sensitive information to an unauthorized actor poses a high severity risk with significant confidentiality impact. This vulnerability could lead to unauthorized data access and potential data breaches.
Technical Details of CVE-2023-29517
CVE-2023-29517 has a CVSS v3.1 base score of 7.5, classifying it as a high-severity vulnerability. The attack complexity is low, with network-based vectors.
Vulnerability Description
The vulnerability in XWiki Platform's office viewer macro allowed unrestricted access to file content on the hosting server, potentially compromising sensitive information.
Affected Systems and Versions
The affected versions include xwiki-platform versions < 13.10.11, >= 14.0.0, < 14.4.8, and >= 14.5.0, < 14.10.1. Users of these versions are at risk of data exposure.
Exploitation Mechanism
The flaw in the office viewer macro could be exploited by unauthorized actors to view and access sensitive files on the hosting server, bypassing security restrictions.
Mitigation and Prevention
It is crucial for users to take immediate steps to address CVE-2023-29517 and prevent potential data breaches.
Immediate Steps to Take
Users are advised to upgrade to the patched versions of XWiki (13.10.11, 14.10.1, 14.4.8, 15.0-rc-1) to mitigate the vulnerability. Running XWiki in a sandbox with limited user privileges is also recommended.
Long-Term Security Practices
To enhance long-term security, organizations should regularly update software, implement access controls, and conduct security assessments to detect and address vulnerabilities.
Patching and Updates
Regularly check for security updates and patches for XWiki Platform to ensure protection against known vulnerabilities.