CVE-2023-37462 : Vulnerability Insights and Analysis

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. A vulnerability labeled CVE-2023-37462 has been identified in the platform, specifically in the document

SkinsCode.XWikiSkinsSheet

, leading to an injection vector from view right on that document to programming rights. This can enable an attacker to execute arbitrary script macros, including Groovy and Python macros, allowing remote code execution with unrestricted read and write access to all wiki contents. It is crucial to understand the impact, technical details, and mitigation strategies related to CVE-2023-37462.

Understanding CVE-2023-37462

This section dives into the details of the vulnerability and its implications.

What is CVE-2023-37462?

The vulnerability in XWiki Platform allows threat actors to execute arbitrary script macros with remote code execution capabilities, potentially compromising the integrity and confidentiality of the wiki contents.

The Impact of CVE-2023-37462

The impact of CVE-2023-37462 is critical, as it enables attackers to escalate their privileges and gain unauthorized access to sensitive information stored within the XWiki Platform.

Technical Details of CVE-2023-37462

Explore the technical aspects of the vulnerability:

Vulnerability Description

The improper escaping in the document

SkinsCode.XWikiSkinsSheet

facilitates an injection vector that can be exploited to execute arbitrary script macros and achieve remote code execution.

Affected Systems and Versions

XWiki Platform versions ranging from

>= 7.0-rc-1 to < 14.4.8

and

>= 14.5 to < 14.10.4

are affected by this vulnerability.

Exploitation Mechanism

The attack vector involves crafting a non-existing page name containing a dangerous payload to exploit the vulnerability and execute malicious scripts remotely.

Mitigation and Prevention

Discover key steps to mitigate the risks associated with CVE-2023-37462:

Immediate Steps to Take

Users are strongly advised to upgrade to patched versions such as XWiki 14.4.8, 14.10.4, or 15.0-rc-1 to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implement comprehensive security measures, including regular vulnerability assessments and patch management, to enhance the resilience of XWiki Platform against similar threats.

Patching and Updates

For users unable to upgrade, applying the fix commit

d9c88ddc

manually to the impacted document

SkinsCode.XWikiSkinsSheet

is recommended to address the vulnerability effectively.