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You are here: Known Vulnerabilities in Mozilla Products (Firefox 1.0) > MFSA 2005-02

Mozilla Foundation Security Advisory 2005-02

Title: Opened attachments are temporarily saved world-readable
Severity: Moderate (on a multiuser computer)
Reporter: danielk

Fixed in: Firefox 1.0
  Thunderbird 0.9
  Mozilla Suite 1.7.5

Vulnerable: Firefox 0.9
  Thunderbird 0.6
  Mozilla 1.7


Mozilla software released after March 2004 saves some temporary files with world-readable permissions. In the browser this is primarily content fed to helper applications (for example, PDF files), and in the mail clients it is attachments.


Do not open sensitive mail attachments on a shared multiuser machine. Upgrade to fixed version