CVE-2018-12395

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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

V3 Legend

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
http://www.securityfocus.com/bid/105718	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041944	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3005	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3006	Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1467523	Issue Tracking Permissions Required Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201811-04	Third Party Advisory
https://usn.ubuntu.com/3801-1/	Third Party Advisory
https://www.debian.org/security/2018/dsa-4324	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-26/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-27/	Vendor Advisory
http://www.securityfocus.com/bid/105718	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041944	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3005	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3006	Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1467523	Issue Tracking Permissions Required Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201811-04	Third Party Advisory
https://usn.ubuntu.com/3801-1/	Third Party Advisory
https://www.debian.org/security/2018/dsa-4324	Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-26/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-27/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:firefox_esr::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Configuration 4 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

History

21 Nov 2024, 03:45

Type	Values Removed	Values Added
References	~~() http://www.securityfocus.com/bid/105718 - VDB Entry, Third Party Advisory~~	() http://www.securityfocus.com/bid/105718 - Third Party Advisory, VDB Entry
References	~~() http://www.securitytracker.com/id/1041944 - VDB Entry, Third Party Advisory~~	() http://www.securitytracker.com/id/1041944 - Third Party Advisory, VDB Entry
References	~~() https://access.redhat.com/errata/RHSA-2018:3005 - Third Party Advisory~~	() https://access.redhat.com/errata/RHSA-2018:3005 - Third Party Advisory
References	~~() https://access.redhat.com/errata/RHSA-2018:3006 - Third Party Advisory~~	() https://access.redhat.com/errata/RHSA-2018:3006 - Third Party Advisory
References	~~() https://bugzilla.mozilla.org/show_bug.cgi?id=1467523 - Issue Tracking, Permissions Required, Vendor Advisory~~	() https://bugzilla.mozilla.org/show_bug.cgi?id=1467523 - Issue Tracking, Permissions Required, Vendor Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html - Mailing List, Third Party Advisory
References	~~() https://security.gentoo.org/glsa/201811-04 - Third Party Advisory~~	() https://security.gentoo.org/glsa/201811-04 - Third Party Advisory
References	~~() https://usn.ubuntu.com/3801-1/ - Third Party Advisory~~	() https://usn.ubuntu.com/3801-1/ - Third Party Advisory
References	~~() https://www.debian.org/security/2018/dsa-4324 - Third Party Advisory~~	() https://www.debian.org/security/2018/dsa-4324 - Third Party Advisory
References	~~() https://www.mozilla.org/security/advisories/mfsa2018-26/ - Vendor Advisory~~	() https://www.mozilla.org/security/advisories/mfsa2018-26/ - Vendor Advisory
References	~~() https://www.mozilla.org/security/advisories/mfsa2018-27/ - Vendor Advisory~~	() https://www.mozilla.org/security/advisories/mfsa2018-27/ - Vendor Advisory

Information

Published : 2019-02-28 18:29

Updated : 2024-11-21 03:45

NVD link : CVE-2018-12395

Mitre link : CVE-2018-12395

CVE.ORG link : CVE-2018-12395

JSON object : View

Products Affected

debian

debian_linux

mozilla

firefox
firefox_esr

redhat

enterprise_linux_server_eus
enterprise_linux_workstation
enterprise_linux_desktop
enterprise_linux_server

canonical

ubuntu_linux

CWE

NVD-CWE-noinfo

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This would allow access to domains that share a host that are otherwise restricted. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63."}, {"lang": "es", "value": "Al reescribir las cabeceras \"Host: request\" que utilizan la API webRequest, WebExtensions pueden omitir las restricciones de dominio mediante la fronting del dominio. Esto permitir\u00eda el acceso a dominios, cuyo acceso es normalmente restringido, que comparten un host. La vulnerabilidad afecta a Firefox ESR en versiones anteriores a la 60.3 y Firefox en versiones anteriores a la 63."}], "lastModified": "2024-11-21T03:45:08.050", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "90DBD77A-A6AD-4700-BF44-845313B4E16E", "versionEndExcluding": "63.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E1EB1A1D-C8DA-423C-9A24-4604C050D7DB", "versionEndExcluding": "60.3"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EE249E1B-A1FD-4E08-AA71-A0E1F10FFE97"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9BBCD86A-E6C7-4444-9D74-F861084090F0"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A4E9DD8A-A68B-4A69-8B01-BFF92A2020A8"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E5ED5807-55B7-47C5-97A6-03233F4FBC3A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}

7.5 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

JSON object

Attach tags to CVE-2018-12395

7.5^/10

5.0^/10

Attach tags to `CVE-2018-12395`