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)
EPSS: 0.009 (54.7th percentile) — read the EPSS interpretation.
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.
Affected products
- Xwiki
- Xwiki Xwiki-platform — versions < 14.0-rc-1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Exploit, Patch, x_refsource_MISC, 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.