GHSA-rj7p-xjv7-7229

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Source
https://github.com/advisories/GHSA-rj7p-xjv7-7229
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/01/GHSA-rj7p-xjv7-7229/GHSA-rj7p-xjv7-7229.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-rj7p-xjv7-7229
Aliases
Published
2024-01-08T16:33:14Z
Modified
2024-01-08T18:36:59Z
Severity
  • 10.0 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
XWiki Remote Code Execution Vulnerability via User Registration
Details

Impact

XWiki is vulnerable to a remote code execution (RCE) attack through its user registration feature. This issue allows an attacker to execute arbitrary code by crafting malicious payloads in the "first name" or "last name" fields during user registration. This impacts all installations that have user registration enabled for guests.

To reproduce, register with any username and password and the following payload as "first name": ]]{{/html}}{{async}}{{groovy}}services.logging.getLogger("attacker").error("Attack succeeded){{/groovy}}{{/async}}. In the following page that confirms the success of the registration, the full first name should be displayed, linking to the created user. If the formatting is broken and a log message with content "ERROR attacker - Attack succeeded!" is logged, the attack succeeded.

Patches

This vulnerability has been patched in XWiki 14.10.17, 15.5.3 and 15.8 RC1.

Workarounds

In the administration of your wiki, under "Users & Rights" > "Registration" set the "Registration Successful Message" to the following code:

#set($message = $services.localization.render('core.register.successful', 'xwiki/2.1', ['USERLINK', $userName]))
#set($userLink = $xwiki.getUserName("$userSpace$userName"))
{{info}}$message.replace('USERLINK', "{{html clean=false}}$userLink{{/html}}"){{/info}}

References

  • https://jira.xwiki.org/browse/XWIKI-21173
  • https://github.com/xwiki/xwiki-platform/commit/b290bfd573c6f7db6cc15a88dd4111d9fcad0d31
References

Affected packages

Maven / org.xwiki.platform:xwiki-platform-administration-ui

Package

Name
org.xwiki.platform:xwiki-platform-administration-ui
View open source insights on deps.dev
Purl
pkg:maven/org.xwiki.platform/xwiki-platform-administration-ui

Affected ranges

Type
ECOSYSTEM
Events
Introduced
2.2
Fixed
14.10.17

Maven / org.xwiki.platform:xwiki-platform-administration-ui

Package

Name
org.xwiki.platform:xwiki-platform-administration-ui
View open source insights on deps.dev
Purl
pkg:maven/org.xwiki.platform/xwiki-platform-administration-ui

Affected ranges

Type
ECOSYSTEM
Events
Introduced
15.0-rc-1
Fixed
15.5.3

Maven / org.xwiki.platform:xwiki-platform-administration-ui

Package

Name
org.xwiki.platform:xwiki-platform-administration-ui
View open source insights on deps.dev
Purl
pkg:maven/org.xwiki.platform/xwiki-platform-administration-ui

Affected ranges

Type
ECOSYSTEM
Events
Introduced
15.6-rc-1
Fixed
15.8-rc-1