CVE-2023-29517: Exposure of Sensitive Information to an Unauthorized Actor in org.xwiki.platform:xwiki-platform-office-viewer
First published: Tue Apr 18 2023(Updated: )
### Impact The office document viewer macro was allowing anyone to see any file content from the hosting server, provided that the office server was connected and depending on the permissions of the user running the servlet engine (e.g. tomcat) running XWiki. The same vulnerability also allowed to perform internal requests to resources from the hosting server. ### Patches The problem has been patched in XWiki 13.10.11, 14.10.1, 14.4.8, 15.0-rc-1. ### Workarounds It might be possible to workaround this vulnerability by running XWiki in a sandbox with a user with very low privileges on the machine, now to run a servlet engine the user will always need access to some files, so in any case this workaround won't protect all files to be accessed. ### References * Original jira ticket: https://jira.xwiki.org/browse/XWIKI-20447 * Jira ticket related to another exploit using same root cause: https://jira.xwiki.org/browse/XWIKI-20324 * Jira ticket related to the possibility to exploit the same vulnerability to perform internal requests: https://jira.xwiki.org/browse/XWIKI-20449 ### 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)
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xwiki Xwiki | <13.10.11 | |
| Xwiki Xwiki | >=14.0<14.4.8 | |
| Xwiki Xwiki | >=14.5<14.10.1 | |
| maven/org.xwiki.platform:xwiki-platform-office-viewer | >=14.5<14.10.1 | 14.10.1 |
| maven/org.xwiki.platform:xwiki-platform-office-viewer | >=14.0-rc-1<14.4.8 | 14.4.8 |
| maven/org.xwiki.platform:xwiki-platform-office-viewer | >=2.5-milestone-2<13.10.11 | 13.10.11 |
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Reference Links
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-m3c3-9qj7-7xmx
- https://jira.xwiki.org/browse/XWIKI-20324
- https://jira.xwiki.org/browse/XWIKI-20447
- https://jira.xwiki.org/browse/XWIKI-20449
- https://nvd.nist.gov/vuln/detail/CVE-2023-29517
- https://github.com/advisories/GHSA-m3c3-9qj7-7xmx (Advisory)
Frequently Asked Questions
What is CVE-2023-29517?
CVE-2023-29517 is a vulnerability in XWiki Platform that allowed unauthorized users to view file content from the hosting server.
What is the severity of CVE-2023-29517?
The severity of CVE-2023-29517 is high with a CVSS score of 7.5.
How does CVE-2023-29517 affect XWiki Platform?
CVE-2023-29517 affects XWiki Platform versions up to 13.10.11 and versions between 14.0 and 14.4.8.
Is there a fix available for CVE-2023-29517?
Yes, a fix is available for CVE-2023-29517 in XWiki Platform versions 14.4.9 and later.
Where can I find more information about CVE-2023-29517?
You can find more information about CVE-2023-29517 in the XWiki Platform security advisories and the XWiki issue tracker.
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