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You are here: Known Vulnerabilities in Mozilla Products (Firefox 2.0.0.5) > MFSA 2007-22

Mozilla Foundation Security Advisory 2007-22

Title: File type confusion due to %00 in name
Impact: Low
Announced: July 17, 2007
Reporter: Ronald van den Heetkamp
Products: Firefox

Fixed in: Firefox 2.0.0.5
  SeaMonkey 1.1.3

Description

Ronald van den Heetkamp reported that a filename URL containing %00 (encoded null) can cause Firefox to interpret the file extension differently than the underlying Windows operating system potentially leading to unsafe actions such as running a program. This is only accessible locally.

References