CVE-2018-12395

CVSS v3.0 7.5 (High)

CVSS v2.0 5 (Medium)

EPSS 0.97 % (84^th)

Affected Products 8

Advisories 15

By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. This would allow access to domains that share a host that are otherwise restricted. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

Weaknesses

CWE-NVD-noinfo

CVE Status: PUBLISHED
CNA: Mozilla Corporation
Published Date: 2019-02-28 18:29:00
(5 years ago)
Updated Date: 2019-10-03 00:03:26
(5 years ago)

Affected Products

Canonical

Ubuntu Linux

Debian

Debian Linux

Mozilla

Redhat

Configuration #1

		CPE23	From	Up To
	Mozilla Firefox prior 63.0 version	cpe:2.3:a:mozilla:firefox		< 63.0
	Mozilla Firefox Esr prior 60.3 version	cpe:2.3:a:mozilla:firefox_esr		< 60.3

Configuration #2

		CPE23	From	Up To
	Debian Linux 8.0	cpe:2.3:o:debian:debian_linux:8.0
	Debian Linux 9.0	cpe:2.3:o:debian:debian_linux:9.0

Configuration #3

		CPE23	From	Up To
	Canonical Ubuntu Linux 14.04	cpe:2.3:o:canonical:ubuntu_linux:14.04:::*:lts
	Canonical Ubuntu Linux 16.04	cpe:2.3:o:canonical:ubuntu_linux:16.04:::*:lts
	Canonical Ubuntu Linux 18.04	cpe:2.3:o:canonical:ubuntu_linux:18.04:::*:lts
	Canonical Ubuntu Linux 18.10	cpe:2.3:o:canonical:ubuntu_linux:18.10

Configuration #4

		CPE23	From	Up To
	Redhat Enterprise Linux Desktop 6.0	cpe:2.3:o:redhat:enterprise_linux_desktop:6.0
	Redhat Enterprise Linux Desktop 7.0	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0
	Redhat Enterprise Linux Server 6.0	cpe:2.3:o:redhat:enterprise_linux_server:6.0
	Redhat Enterprise Linux Server 7.0	cpe:2.3:o:redhat:enterprise_linux_server:7.0
	Redhat Enterprise Linux Server Eus 7.5	cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5
	Redhat Enterprise Linux Workstation 6.0	cpe:2.3:o:redhat:enterprise_linux_workstation:6.0
	Redhat Enterprise Linux Workstation 7.0	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0