GHSA-8959-rfxh-r4j4

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GHSA-8959-rfxh-r4j4

Summary: XWiki vulnerable to Denial of Service attack through attachments

Details: ### 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:[email protected])

References: https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8959-rfxh-r4j4, https://nvd.nist.gov/vuln/detail/CVE-2024-21651, https://github.com/xwiki/xwiki-platform, https://jira.xwiki.org/browse/XCOMMONS-2796, https://search.maven.org/remotecontent?filepath=org/apache/commons/commons-compress/1.24.0/commons-compress-1.24.0.jar