CVEvulnerability
CVE-2018-18497
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-02-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 6.5 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Description
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.
Affected configurations
• mozilla firefox (< 64.0)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
References
- http://www.securityfocus.com/bid/106167 Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1488180 Issue Tracking, Permissions Required, Vendor Advisory
- https://usn.ubuntu.com/3844-1/ Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-29/ Vendor Advisory
- http://www.securityfocus.com/bid/106167 Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1488180 Issue Tracking, Permissions Required, Vendor Advisory
- https://usn.ubuntu.com/3844-1/ Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-29/ Vendor Advisory