CVE-2018-18497
Publication date 11 December 2018
Last updated 24 July 2024
Ubuntu priority
Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This vulnerability affects Firefox < 64.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| firefox | ||
| 18.04 LTS bionic |
Fixed 64.0+build3-0ubuntu0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 64.0+build3-0ubuntu0.16.04.1
|
|
| 14.04 LTS trusty |
Fixed 64.0+build3-0ubuntu0.14.04.1
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.5 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-3844-1
- Firefox vulnerabilities
- 11 December 2018