CVE-2018-18495
MEDIUMFirefox < 64.0 - Incorrect Permission Assignment for Critical Resource via WebExtension Content Scripts
Title source: llmDescription
WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions. This vulnerability affects Firefox < 64.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-29/
Issue Tracking, Permissions Required, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1427585
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3844-1/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/106167
Scores
CVSS v3
6.5
EPSS
0.0167
EPSS Percentile
73.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Details
CWE
CWE-732
Status
published
Products (5)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
18.10
mozilla/firefox
< 64.0
Published
Feb 28, 2019
Tracked Since
Feb 18, 2026