CVE-2024-21651
XWiki vulnerable to Denial of Service attack through attachments
Description
### Impact A user able to attach a file to a page can post a malformed TAR file by manipulating file modification times headers, which when parsed by Tika, could cause a denial of service issue via CPU consumption. ### Patches This vulnerability has been patched in XWiki 14.10.18, 15.5.3 and 15.8 RC1. ### Workarounds The workaround is to download [commons-compress 1.24](https://search.maven.org/remotecontent?filepath=org/apache/commons/commons-compress/1.24.0/commons-compress-1.24.0.jar) and replace the one located in XWiki `WEB-INF/lib/` folder. ### References https://jira.xwiki.org/browse/XCOMMONS-2796 ### 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)
How to fix CVE-2024-21651
To remediate CVE-2024-21651, upgrade the affected package to a fixed version below.
- —upgrade to 14.10.18 or later
Is CVE-2024-21651 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 14.10, < 14.10.18
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |