If a URL using the "file:" protocol is dragged and dropped onto an open tab that is running in a different child process the tab will open a local file corresponding to the dropped URL, contrary to policy. One way to make the target tab open more reliably in a separate process is to open it with the "noopener" keyword. This vulnerability affects Firefox < 60.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-5181 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 4.3 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
Attack Vector | Network |
Attack Complexity | Low |
Privileges Required | None |
User Interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | Low |
Availability Impact | None |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | thunderbird | Not affected |
Red Hat Enterprise Linux 7 | firefox | Not affected |
Red Hat Enterprise Linux 6 | firefox | Not affected |
Red Hat Enterprise Linux 6 | thunderbird | Not affected |