A weakness in toolkit/components/passwordmgr/src/nsLoginManagerPrompter.js can cause the authorization dialogs for concurrent authorization requests to become affixed to the wrong window. This could allow an attacker to spoof the dialog and potentially steal credentials.
Classification
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Solution:
Upgrade
Disclosure:
Vendor Verified
OSVDB:
Web Related
Solution
Upgrade to version 3.6.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.