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GHSA-wppf-gqj5-fc4fmedium5.4

REDAXO allows Arbitrary File Upload in the mediapool page

Impact

An arbitrary file upload vulnerability was identified in the redaxo. This flaw permits users to upload malicious files, which can lead to JavaScript code execution and distribute malware.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

redaxo/source Packagist
Affected rangeRecorded fix
Earlier releases before 5.18.3Ecosystem versions5.18.3

Version evidence: OSV · GHSA-wppf-gqj5-fc4f

View original version evidence (36 explicit versions)

Original source description

Summary

An arbitrary file upload vulnerability was identified in the redaxo. This flaw permits users to upload malicious files, which can lead to JavaScript code execution and distribute malware.

Details

On the latest version of Redaxo, v5.18.2, the mediapool/media page is vulnerable to arbitrary file upload.

PoC

  1. Log in to the portal then navigate to Mediapool.
  2. Upload a png file (ex: poc.png)

1

  1. Intercept the upload HTTP request on burp suite and change filename: poc.1html, Content-Type:image/html and insert the malicious html code. (ex: <IFRAME SRC="javascript:alert(1);"></IFRAME>)

2

  1. Forward the request.

  2. Navigate to the file.

3 4

Impact

Exploiting an arbitrary file upload vulnerability enables attackers to execute malicious code on a server.

References