Reflected File Download (RFD) The advisory has been revoked - it doesn't affect any version of package org.springframework:spring-webflux (opens in a new tab)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-ORGSPRINGFRAMEWORK-542934
- published22 Jan 2020
- disclosed16 Jan 2020
- creditRoman Shalymov
Introduced: 16 Jan 2020
CVE-2020-5398 (opens in a new tab)Amendment
This was deemed not a vulnerability.
Overview
org.springframework:spring-webflux is a Spring Framework module that contains support for reactive HTTP and WebSocket clients as well as for reactive server web applications including REST, HTML browser, and WebSocket style interactions.
Affected versions of this package are vulnerable to Reflected File Download (RFD). A reflected file download attack is possible when the filename attribute of the Content-Disposition header is derived from user-supplied input.
PoC
curl 'http://127.0.0.1:8080/?filename=sample&contents=Hello,%20World' --dump-header -