XWiki Platform: crafted login causes schema bloat, degrade DB perf before 13.10.8
CVE-2022-41932 Published on November 23, 2022
Creation of new database tables through login form on PostgreSQL
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It's possible to make XWiki create many new schemas and fill them with tables just by using a crafted user identifier in the login form. This may lead to degraded database performance. The problem has been patched in XWiki 13.10.8, 14.6RC1 and 14.4.2. Users are advised to upgrade. There are no known workarounds for this issue.
Vulnerability Analysis
CVE-2022-41932 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2022-41932 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2022-41932
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Affected Versions
xwiki-platform:- Version < 13.10.8 is affected.
- Version >= 14.0.0, < 14.4.2 is affected.
- Version >= 14.5.0, < 14.6-rc-1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.