NTA Monitor

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Date: 1st October 2007
Risk: Low

A vulnerability has been found in Mozilla Firefox that can permit system access if successfully exploited.

The issue arises because the '-chrome' parameter allows execution of arbitrary Javascript script code in chrome context. A malicious user can then exploit this to execute arbitrary commands on a user's system, for instance, using applications invoking Firefox with unfiltered command line arguments.

The flaw has been found in Firefox 1.x and 2.0.x; Firefox users are urged to download the latest update to fix this issue.

References