Memory Allocation with Excessive Size Value The advisory has been revoked - it doesn't affect any version of package io.undertow:undertow-servlet (opens in a new tab)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-IOUNDERTOW-5826041
- published8 Aug 2023
- disclosed7 Aug 2023
- creditUnknown
Introduced: 7 Aug 2023
CVE-2023-3223 (opens in a new tab)Amendment
This was deemed not a vulnerability.
Overview
io.undertow:undertow-servlet is a Servlet 4.0 implementation for Undertow
Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value due to improper @MultipartConfig annotation handling for very large multipart content.
Note:
If the server uses fileSizeThreshold to limit the file size, it's possible to bypass the limit by setting the file name in the request to null.