GHSA-9pc2-x9qf-7j2q

Source

https://github.com/advisories/GHSA-9pc2-x9qf-7j2q

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/04/GHSA-9pc2-x9qf-7j2q/GHSA-9pc2-x9qf-7j2q.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-9pc2-x9qf-7j2q

Aliases

CVE-2023-29209

Related

CVE-2023-29209

Published

2023-04-12T20:35:03Z

Modified

2023-11-08T04:12:17.820009Z

Severity

9.9 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator

Summary

org.xwiki.platform:xwiki-platform-legacy-notification-activitymacro Eval Injection vulnerability

Details

Impact

Any user with view rights on commonly accessible documents including the legacy notification activity macro 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 macro parameters of the legacy notification activity macro. This macro is installed by default in XWiki.

A proof of concept exploit is

{{activity wikis="~" /~}~} {{async async=~"true~" cached=~"false~" context=~"doc.reference~"~}~}{{groovy~}~}println(~"Hello from Groovy!~"){{/groovy~}~}"/}}

If the output of this macro is

The [notifications] macro is a standalone macro and it cannot be used inline. Click on this message for details.
Hello from Groovy!"    displayMinorEvents="false" displayRSSLink="false" /}}

or similar, the XWiki installation is vulnerable. The vulnerability can be exploited via every wiki page that is editable including the user's profile, but also with just view rights using the HTMLConverter that is part of the CKEditor integration which is bundled with XWiki.

Patches

The vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10.

Workarounds

The issue can be fixed by replacing the code of the legacy notification activity macro by the patched version. Alternatively, if the macro isn't used, the document XWiki.Notifications.Code.Legacy.ActivityMacro can also be completely deleted.

References

https://github.com/xwiki/xwiki-platform/commit/94392490884635c028199275db059a4f471e57bc
https://jira.xwiki.org/browse/XWIKI-20258

For more information

If you have any questions or comments about this advisory: * Open an issue in Jira XWiki.org * Email us at Security Mailing List

Database specific

{
    "nvd_published_at": "2023-04-15T17:15:00Z",
    "github_reviewed_at": "2023-04-12T20:35:03Z",
    "severity": "CRITICAL",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-94",
        "CWE-95"
    ]
}

References

Affected packages

Maven / org.xwiki.platform:xwiki-platform-legacy-notification-activitymacro

Package

Name: org.xwiki.platform:xwiki-platform-legacy-notification-activitymacro; View open source insights on deps.dev
Purl: pkg:maven/org.xwiki.platform/xwiki-platform-legacy-notification-activitymacro

Affected ranges

Type: ECOSYSTEM
Events: Introduced

10.9

Fixed

13.10.11

Maven / org.xwiki.platform:xwiki-platform-legacy-notification-activitymacro

Package

Name: org.xwiki.platform:xwiki-platform-legacy-notification-activitymacro; View open source insights on deps.dev
Purl: pkg:maven/org.xwiki.platform/xwiki-platform-legacy-notification-activitymacro

Affected ranges

Type: ECOSYSTEM
Events: Introduced

14.0-rc-1

Fixed

14.4.7

Maven / org.xwiki.platform:xwiki-platform-legacy-notification-activitymacro

Package

Name: org.xwiki.platform:xwiki-platform-legacy-notification-activitymacro; View open source insights on deps.dev
Purl: pkg:maven/org.xwiki.platform/xwiki-platform-legacy-notification-activitymacro

Affected ranges

Type: ECOSYSTEM
Events: Introduced

14.5

Fixed

14.10