Buffer overflow in Xwiki
CVE-2023-26470
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It's possible to make the farm unusable by adding an object to a page with a huge number (e.g. 67108863). Most of the time this will fill the memory allocated to XWiki and make it unusable every time this document is manipulated. This issue has been patched in XWiki 14.0-rc-1.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (56.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Xwiki
- Xwiki Xwiki-Platform — versions < 14.0-rc-1
Weakness classification (CWE)
References
- github.com/xwiki/xwiki-platform/security/advisories/GHSA-92wp-r7hm-42g7 (Exploit, Vendor Advisory)
- github.com/xwiki/xwiki-platform/commit/04e5a89d2879b160cdfaea846024d3d9c1a525e6 (Patch)
- github.com/xwiki/xwiki-platform/commit/db3d1c62fc5fb59fefcda3b86065d2d362f55164 (Patch)
- github.com/xwiki/xwiki-platform/commit/fdfce062642b0ac062da5cda033d25482f4600fa (Patch)
- jira.xwiki.org/browse/XWIKI-19223 (Exploit, Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-26470?
- CVE-2023-26470 is a medium-severity vulnerability in Xwiki, classified under Uncontrolled Resource Consumption. CVSS score: 5.7/10. Published 2023-03-02.
- How severe is CVE-2023-26470?
- Medium severity. CVSS v3 base score is 5.7 out of 10.