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Mozilla Foundation Security Advisory 2005-01

Title: Link opened in new tab can load a local file
Severity: Low
Reporter: Jesse Ruderman
Products: Firefox, Mozilla Suite

Fixed in: Firefox 1.0
  Mozilla Suite 1.7.5

Description

Links with a custom getter and toString method can bypass checks intended to prevent web content from linking to local files and "chrome" URIs if the user can be convinced to middle-click (or control-click) to open it in a new tab. The browser's "same-origin" policy prevents the attacker's content from taking advantage of this flaw to read the local file or manipulate privileged chrome.

Workaround

Turn off javascript or upgrade to fixed version

References

https://bugzilla.mozilla.org/show_bug.cgi?id=249332