CVE-2024-21651: xwiki DoS — Fix

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. 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. This vulnerability has been patched in XWiki 14.10.18, 15.5.3 and 15.8 RC1.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption

Affected Products

Vendor	Product	Versions
xwiki	xwiki	14.10 — 14.10.18
xwiki	xwiki	15.5 — 15.5.3
xwiki	xwiki	15.6 — 15.8

References

Advisories & Patches

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8959-rfxh-r4j4 https://jira.xwiki.org/browse/XCOMMONS-2796 https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8959-rfxh-r4j4 https://jira.xwiki.org/browse/XCOMMONS-2796

Frequently Asked Questions

What is CVE-2024-21651? +

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. 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. This vulnerability has been patched in XWiki 14.10.18, 15.5.3 and 15.8 RC1. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-21651? +

CVE-2024-21651 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-21651? +

CVE-2024-21651 affects products from xwiki, specifically: xwiki. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21651? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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