Mozilla Firefox and Mozilla SeaMonkey contain a flaw that may lead to an unauthorized information disclosure. The issue is triggered when the 'Firefox Recovery Key.html' file being saved with insecure file permissions when exporting the Firefox Sync key, which will disclose the contents of that file to a remote attacker.
Classification
Location:
Remote / Network Access
Attack Type:
Information Disclosure
Impact:
Loss of Confidentiality
Solution:
Upgrade
Exploit:
Exploit Private
Disclosure:
Vendor Verified
OSVDB:
Web Related
Solution
Upgrade Firefox to version 10.0 or higher, and SeaMonkey to version 2.7 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.