XWiki Platform prior 14.4.8/14.10.4/15.0-rc-1 SkinsCode.XWikiSkinsSheet eval injection

Summaryinfo

A vulnerability classified as critical has been found in XWiki Platform. This issue affects the function SkinsCode.XWikiSkinsSheet. This manipulation causes eval injection. This vulnerability is registered as CVE-2023-37462. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in XWiki Platform (Content Management System). It has been declared as critical. Affected by this vulnerability is the function SkinsCode.XWikiSkinsSheet. The manipulation with an unknown input leads to a eval injection vulnerability. The CWE definition for the vulnerability is CWE-95. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax before using the input in a dynamic evaluation call (e.g. "eval"). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Improper escaping in the document `SkinsCode.XWikiSkinsSheet` leads to an injection vector from view right on that document to programming rights, or in other words, it is possible to execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. The attack works by opening a non-existing page with a name crafted to contain a dangerous payload. It is possible to check if an existing installation is vulnerable. See the linked GHSA for instructions on testing an installation. This issue has been patched in XWiki 14.4.8, 14.10.4 and 15.0-rc-1. Users are advised to upgrade. The fix commit `d9c88ddc` can also be applied manually to the impacted document `SkinsCode.XWikiSkinsSheet` and users unable to upgrade are advised to manually patch their installations.

The weakness was published 07/15/2023 as GHSA-h4vp-69r8-gvjg. The advisory is shared at github.com. This vulnerability is known as CVE-2023-37462 since 07/06/2023. Technical details are known, but no exploit is available.

Upgrading to version 14.4.8, 14.10.4 or 15.0-rc-1 eliminates this vulnerability. Applying the patch d9c88ddc4c0c78fa534bd33237e95dea66003d29 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Content Management System

Vendor

• XWiki

Name

• Platform

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion