CVE-2024-31986: XWiki Platform CSRF remote code execution through scheduler job's document reference
First published: Wed Apr 10 2024(Updated: )
### Impact By creating a document with a special crafted documented reference and an `XWiki.SchedulerJobClass` XObject, it is possible to execute arbitrary code on the server whenever an admin visits the scheduler page or the scheduler page is referenced, e.g., via an image in a comment on a page in the wiki. To reproduce on an XWiki installation, click on this link to create a new document : `<xwiki-host>/xwiki/bin/view/%22%3E%5D%5D%7B%7B%2Fhtml%7D%7D%7B%7Basync%20context%3D%22request/parameters%22%7D%7D%7B%7Bvelocity%7D%7D%23evaluate%28%24request/eval%29/`. Then, add to this document an object of type `XWiki.SchedulerJobClass`. Finally, as an admin, go to `<xwiki-host>/xwiki/bin/view/Scheduler/?eval=$services.logging.getLogger(%22attacker%22).error(%22Hello%20from%20URL%20Parameter!%20I%20got%20programming:%20$services.security.authorization.hasAccess(%27programming%27)%22)`. If the logs contain `ERROR attacker - Hello from URL Parameter! I got programming: true`, the installation is vulnerable. ### Patches The vulnerability has been fixed on XWiki 14.10.19, 15.5.5, and 15.9. ### Workarounds Modify the Scheduler.WebHome page following this [patch](https://github.com/xwiki/xwiki-platform/commit/f16ca4ef1513f84ce2e685d4a05d689bd3a2ab4c#diff-1e2995eacccbbbdcc4987ff64f46ac74837d166cf9e92920b4a4f8af0f10bd47). ### References - https://jira.xwiki.org/browse/XWIKI-21416 - https://github.com/xwiki/xwiki-platform/commit/f16ca4ef1513f84ce2e685d4a05d689bd3a2ab4c
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.xwiki.platform:xwiki-platform-scheduler-ui | >=15.6-rc-1<15.9 | 15.9 |
| maven/org.xwiki.platform:xwiki-platform-scheduler-ui | >=15.0-rc-1<15.5.4 | 15.5.4 |
| maven/org.xwiki.platform:xwiki-platform-scheduler-ui | >=3.1<14.10.19 | 14.10.19 |
| Xwiki Xwiki | >=3.1.1<14.10.19 | |
| Xwiki Xwiki | >=15.0<15.5.4 | |
| Xwiki Xwiki | >=15.6<15.9 |
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Reference Links
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-37m4-hqxv-w26g
- https://github.com/xwiki/xwiki-platform/commit/8a92cb4bef7e5f244ae81eed3e64fe9be95827cf
- https://github.com/xwiki/xwiki-platform/commit/efd3570f3e5e944ec0ad0899bf799bf9563aef87
- https://github.com/xwiki/xwiki-platform/commit/f30d9c641750a3f034b5910c6a3a7724ae8f2269
- https://jira.xwiki.org/browse/XWIKI-21416
- https://nvd.nist.gov/vuln/detail/CVE-2024-31986
- https://github.com/advisories/GHSA-37m4-hqxv-w26g (Advisory)
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