CVE-2022-24897 : Vulnerability Insights and Analysis
Learn about CVE-2022-24897 affecting xwiki-commons, allowing attackers to gain unauthorized filesystem access through velocity scripts. Mitigation steps and impacted versions detailed.
A detailed overview of CVE-2022-24897 focusing on the arbitrary filesystem write access vulnerability from Velocity in xwiki-commons.
Understanding CVE-2022-24897
This CVE details a significant security vulnerability in xwiki-commons that allows attackers to gain unauthorized access to the filesystem through Velocity scripts.
What is CVE-2022-24897?
The CVE-2022-24897, also known as 'Arbitrary filesystem write access from Velocity,' affects xwiki-commons versions starting from 2.3 to below 12.6.7 and 12.7-rc-1 to below 12.10.3. The vulnerability arises from inadequate sandboxing of Velocity scripts, enabling malicious actors to perform read or write operations on the filesystem using the Java File API.
The Impact of CVE-2022-24897
With a CVSS base score of 7.5 (High), the vulnerability has a severe impact on confidentiality, integrity, and availability. Attackers with minimal privileges can exploit this flaw remotely, leading to unauthorized access and manipulation of sensitive data.
Technical Details of CVE-2022-24897
Let's delve into the technical aspects of this vulnerability in xwiki-commons.
Vulnerability Description
The vulnerability stems from improper sandboxing of Velocity scripts, allowing attackers to execute malicious scripts to read or write files on the filesystem.
Affected Systems and Versions
xwiki-commons versions between 2.3 and 12.6.7, as well as versions ranging from 12.7-rc-1 to 12.10.3, are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting attacking scripts in Velocity, requiring Script rights in XWiki and identifying an XWiki API that returns a File object.
Mitigation and Prevention
Learn about the measures to mitigate and prevent the exploitation of CVE-2022-24897 in xwiki-commons.
Immediate Steps to Take
- Upgrade xwiki-commons to patched versions 12.6.7, 12.10.3, or 13.0 to eliminate the vulnerability.
- Exercise caution when granting Script rights in XWiki to prevent unauthorized script execution.
Long-Term Security Practices
- Regularly monitor and apply security updates to xwiki-commons to stay protected against emerging threats.
Patching and Updates
Stay informed about security advisories and promptly apply patches released by xwiki to address known vulnerabilities.