The Mozilla Windows updater can be called by a non-privileged user to delete an arbitrary local file by passing a special path to the callback parameter through the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 45.8 and Firefox < 52.
2018-06-11T21:29:04.483
2025-11-25T17:50:16.803
Modified
CVSSv3.0: 5.5 (MEDIUM)
AV:L/AC:L/Au:N/C:N/I:P/A:P
3.9
4.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | mozilla | firefox | < 52.0 | Yes |
| Operating System | microsoft | windows | - | No |
| Application | mozilla | firefox | < 45.8.0 | Yes |
| Operating System | microsoft | windows | - | No |