CVE-2022-23620 : What You Need to Know
Discover the path traversal vulnerability in xwiki-platform-skin-skinx of XWiki Platform, impacting versions >= 6.2-rc-1 and < 13.6. Learn the impact, exploitation details, and mitigation steps.
A path traversal vulnerability has been discovered in xwiki-platform-skin-skinx, which is a part of the XWiki Platform. This vulnerability could be exploited by an attacker to include reference elements with filesystem syntax in the HTML export process.
Understanding CVE-2022-23620
This CVE pertains to a path traversal vulnerability in the xwiki-platform-skin-skinx component of XWiki Platform, allowing attackers to manipulate file references during the HTML export process.
What is CVE-2022-23620?
CVE-2022-23620 is a path traversal vulnerability in the xwiki-platform-skin-skinx module of XWiki Platform, enabling attackers to insert filesystem syntax in exported HTML files.
The Impact of CVE-2022-23620
The vulnerability can lead to unauthorized access to sensitive files and directories, potentially compromising the integrity and availability of the affected system.
Technical Details of CVE-2022-23620
The affected version range of xwiki-platform is >= 6.2-rc-1 and < 13.6. The issue arises from AbstractSxExportURLFactoryActionHandler#processSx not properly escaping SSX document references during serialization.
Vulnerability Description
In affected versions, the HTML export process may contain reference elements with filesystem syntax like "../", "./", or "/" due to inadequate escape handling.
Affected Systems and Versions
Systems running xwiki-platform versions between 6.2-rc-1 and 13.6 are vulnerable to this path traversal issue.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious filesystem syntax within document references during the HTML export process.
Mitigation and Prevention
To address CVE-2022-23620, users can take immediate steps to limit or disable document export functionality and apply the necessary patches.
Immediate Steps to Take
Limit or disable document export capabilities to prevent attackers from exploiting the vulnerability.
Long-Term Security Practices
Regularly update XWiki Platform to the latest version and follow secure coding practices to mitigate similar path traversal risks.
Patching and Updates
Install the patch provided by the vendor to resolve the path traversal issue in xwiki-platform-skin-skinx.