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Reflected File Download (RFD) The advisory has been revoked - it doesn't affect any version of package org.springframework:spring-webflux Open this link in a new tab

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 67.12% (98th percentile)
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NVD
7.5 high
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Red Hat
8 high

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  • Snyk ID SNYK-JAVA-ORGSPRINGFRAMEWORK-542934
  • published 22 Jan 2020
  • disclosed 16 Jan 2020
  • credit Roman Shalymov
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Introduced: 16 Jan 2020

CVE-2020-5398 Open this link in a new tab
CWE-494 Open this link 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 -