icon_firefox[CVE-2018-5182] Local file can be displayed from hyperlink dragged and dropped on Addressbar


https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/#CVE-2018-5182

Local file can be displayed from hyperlink dragged and dropped on Addressbar


Announced: May 9, 2018
Reporter: Jordi Chancel
Impact: Low
Products: Firefox
Fixed in: Firefox 60


  • Description :

If a text string that happens to be a filename in the operating system’s native format is dragged and dropped onto the addressbar the specified local file will be opened. This is contrary to policy and is what would happen if the string were the equivalent file: URL.


Vulnerability demonstration (video):