Reflected File Download
Severity: Low
Summary
Netsparker detected a possible reflected file download which might enable attackers to gain complete control over a website user's machine by virtually downloading a file from a trusted domain.
This is a vulnerability in the browsers that only affects Microsoft Windows systems.
Impact
An attacker can craft a URL on the target website that can execute commands on the website visitor's computer if the visitor accepts the download.
For a Reflected File Download attack to be successful:
- Attacker controlled input needs to be reflected in the response.
- Attacker should be able to change the URL of the vulnerable site to an executable file extension resulting a file download on the website user's browser.
Remediation
- Add
Content-Dispositionheader withfilenameattribute in the HTTP response:Content-Disposition: attachment; filename=f.txt
Classifications
PCI v3.1-6.5.1, PCI v3.2-6.5.1, CAPEC-375, WASC-42, OWASP 2013-A1, OWASP 2017-A1
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