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XWiki Platform: Remote code execution from account via SearchSuggestSourceSheet

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

Package

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

Affected versions

>= 5.2-milestone-2, < 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

Any user with edit right on any page can execute any code on the server by adding an object of type XWiki.SearchSuggestSourceClass to their user profile or any other page. This compromises the confidentiality, integrity and availability of the whole XWiki installation.

To reproduce on an instance, as a user without script nor programming rights, add an object of type XWiki.SearchSuggestSourceClass to your profile page. On this object, set every possible property to }}}{{async}}{{groovy}}println("Hello from Groovy!"){{/groovy}}{{/async}} (i.e., name, engine, service, query, limit and icon). Save and display the page, then append ?sheet=XWiki.SearchSuggestSourceSheet to the URL. If any property displays as Hello from Groovy!}}}, then the instance is vulnerable.

Patches

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

Workarounds

This patch can be manually applied to the document XWiki.SearchSuggestSourceSheet.

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%
(12th percentile)

Weaknesses

CVE ID

CVE-2024-31465

GHSA ID

GHSA-34fj-r5gq-7395

Source code

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