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Firefox flaw re-rated as high severity |
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by Stephen Withers
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Thursday, 31 January 2008 |
A Firefox security flaw originally judged to be of low severity has been upgraded to high, but a fix is on its way.
The issue concerns so-called 'flat' add-ons that store their components in multiple files instead of using a single .jar file. A flaw in the way the program handles the chrome protocol means a maliciously crafted web page is able to traverse directories in order to read data from known locations.
Many add-ons use flat packaging, including popular ones such as Greasemonkey and Download Statusbar.
Add-on developers have been asked to repackage their wares as .jar files, but Firefox 2.0.0.12 - "which will be available shortly," according to the Mozilla Security Blog - will include a fix for the problem.
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