CVE-2024-37899: Disabling a user account changes its author, allowing RCE from user account in XWiki
First published: Thu Jun 20 2024(Updated: )
### Impact When an admin disables a user account, the user's profile is executed with the admin's rights. This allows a user to place malicious code in the user profile before getting an admin to disable the user account. To reproduce, as a user without script nor programming rights, edit the about section of your user profile and add `{{groovy}}services.logging.getLogger("attacker").error("Hello from Groovy!"){{/groovy}}`. As an admin, go to the user profile and click the "Disable this account" button. Then, reload the page. If the logs show `attacker - Hello from Groovy!` then the instance is vulnerable. ### Patches This has been patched in XWiki 14.10.21, 15.5.5, 15.10.6 and 16.0.0. ### Workarounds We're not aware of any workaround except upgrading. ### References * https://jira.xwiki.org/browse/XWIKI-21611 * https://github.com/xwiki/xwiki-platform/commit/f89c8f47fad6e5cc7e68c69a7e0acde07f5eed5a
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=16.0.0-rc-1<16.0.0 | 16.0.0 |
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=15.6-rc-1<15.10.6 | 15.10.6 |
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=15.0-rc-1<15.5.5 | 15.5.5 |
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=13.10.3<14.10.21 | 14.10.21 |
| maven/org.xwiki.platform:xwiki-platform-oldcore | >=13.4.7<13.5 | 14.10.21 |
| XWiki | >=13.10.3<14.10.21 | |
| XWiki | >=15.0<15.5.5 | |
| XWiki | >=15.6<15.10.6 | |
| XWiki | =13.4.7 | |
| XWiki | =13.5-rc1 | |
| XWiki | =16.0.0-rc1 |
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Reference Links
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-j584-j2vj-3f93
- https://github.com/xwiki/xwiki-platform/commit/f89c8f47fad6e5cc7e68c69a7e0acde07f5eed5a
- https://jira.xwiki.org/browse/XWIKI-21611
- https://github.com/xwiki/xwiki-platform/commit/046c36519a2df392c922c16d0d38472b98c414d0
- https://github.com/xwiki/xwiki-platform/commit/233b08b26580df4b7a595882dac65ed4e4a2419c
- https://github.com/xwiki/xwiki-platform/commit/2b55c29562ccd20f8f0f85075f0c95b4ee9cd9be
- https://github.com/xwiki/xwiki-platform/commit/f8409419c5d0ddefe1bee55e73629a54275fa735
- https://nvd.nist.gov/vuln/detail/CVE-2024-37899
- https://github.com/advisories/GHSA-j584-j2vj-3f93 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-37899?
CVE-2024-37899 is classified as a high severity vulnerability due to its ability to execute malicious code with admin rights.
How do I fix CVE-2024-37899?
To fix CVE-2024-37899, update to the patched versions 16.0.0, 15.10.6, 15.5.5, or 14.10.21 of org.xwiki.platform:xwiki-platform-oldcore.
What impact does CVE-2024-37899 have on user accounts?
CVE-2024-37899 allows a user to execute code with an admin's privileges upon account disablement, potentially resulting in unauthorized actions.
Who is affected by CVE-2024-37899?
CVE-2024-37899 affects installations of org.xwiki.platform:xwiki-platform-oldcore prior to the remediation versions.
Can I exploit CVE-2024-37899 without admin rights?
Yes, an attacker can exploit CVE-2024-37899 by embedding malicious code in their user profile before an admin disables their account.
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