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XWiki Platform: Remote code execution through space title and Solr space facet

Critical severity GitHub Reviewed Published Apr 10, 2024 in xwiki/xwiki-platform • Updated Apr 10, 2024

Package

maven org.xwiki.platform:xwiki-platform-search-solr-ui (Maven)

Affected versions

>= 7.2-rc-1, < 14.10.20
>= 15.0-rc-1, < 15.5.4
>= 15.6-rc-1, < 15.10-rc-1

Patched versions

14.10.20
15.5.4
15.10-rc-1

Description

Impact

By creating a document with a specially crafted title, it is possible to trigger remote code execution in the (Solr-based) search in XWiki. This allows any user who can edit the title of a space (all users by default) to execute any Groovy code in the XWiki installation which compromises the confidentiality, integrity and availability of the whole XWiki installation.

To reproduce, as a user without script nor programming rights, create a document with title {{/html}}{{async}}{{groovy}}println("Hello from Groovy Title!"){{/groovy}}{{/async}} and content Test Document. Using the search UI, search for "Test Document", then deploy the Location facet on the right of the screen, next to the search results. The installation is vulnerable if you see an item such as:

Hello from Groovy Title!
</a>
<div class="itemCount">1</div>
</li>
</ul>
{{/html}}

Patches

This has been patched in XWiki 14.10.20, 15.5.4 and 15.10 RC1.

Workarounds

Modify the Main.SolrSpaceFacet page following this patch.

References

References

@surli surli published to xwiki/xwiki-platform Apr 10, 2024
Published to the GitHub Advisory Database Apr 10, 2024
Reviewed Apr 10, 2024
Published by the National Vulnerability Database Apr 10, 2024
Last updated Apr 10, 2024

Severity

Critical

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS score

0.044%
(15th percentile)

Weaknesses

CVE ID

CVE-2024-31984

GHSA ID

GHSA-xm4h-3jxr-m3c6

Source code

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