CVE-2018-12395
published 2019-02-28CVE-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…
PriorityP342high7.5CVSS 3.0
AVNACLPRNUINSUCHINAN
EPSS
2.85%
85.1th percentile
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.
Affected
25 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | firefox | < firefox 63.0-1 (sid) | firefox 63.0-1 (sid) |
| debian | firefox-esr | < firefox 63.0-1 (sid) | firefox 63.0-1 (sid) |
| mozilla | firefox | < 63.0 | 63.0 |
| mozilla | firefox | >= 0 < 63.0.3+build1-0ubuntu0.14.04.1 | 63.0.3+build1-0ubuntu0.14.04.1 |
| mozilla | firefox | >= 0 < 63.0+build2-0ubuntu0.14.04.2 | 63.0+build2-0ubuntu0.14.04.2 |
| mozilla | firefox | >= 0 < 63.0.3+build1-0ubuntu0.16.04.1 | 63.0.3+build1-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 63.0+build2-0ubuntu0.16.04.2 | 63.0+build2-0ubuntu0.16.04.2 |
| mozilla | firefox | >= 0 < 63.0.3+build1-0ubuntu0.18.04.1 | 63.0.3+build1-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 63.0+build2-0ubuntu0.18.04.2 | 63.0+build2-0ubuntu0.18.04.2 |
| mozilla | firefox | >= unspecified < 63 | 63 |
| mozilla | firefox_esr | < 60.3 | 60.3 |
| mozilla | firefox_esr | >= unspecified < 60.3 | 60.3 |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_server | — | — |
| redhat | enterprise_linux_server | — | — |
| redhat | enterprise_linux_server_eus | — | — |
| redhat | enterprise_linux_workstation | — | — |
| redhat | enterprise_linux_workstation | — | — |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
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Ubuntu
Firefox regressions
vendor_ubuntu·2018-11-23·CVSS 8.8
[HIGH] Firefox regressions
Title: Firefox regressions
Summary: USN-3801-1 caused some minor regressions in Firefox.
USN-3801-1 fixed vulnerabilities in Firefox. The update introduced various
minor regressions. This update fixes the problems.
We apologize for the inconvenience.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, bypass CSP
restrictions, spoof the protocol registration notification bar, leak
SameSite cookies, bypass mixed content warnings, or execute arbitrary
code. (CVE-2018-12388, CVE-2018-12390, CVE-2018-12392, CVE-2018-12393,
CVE-2018-12398, CVE-2018-12399, CVE-2018-12401, CVE-2018-12402,
CVE-2018-12403)
Multiple security issu
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2018-10-24·CVSS 8.8
CVE-2018-12388 [HIGH] Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, bypass CSP
restrictions, spoof the protocol registration notification bar, leak
SameSite cookies, bypass mixed content warnings, or execute arbitrary
code. (CVE-2018-12388, CVE-2018-12390, CVE-2018-12392, CVE-2018-12393,
CVE-2018-12398, CVE-2018-12399, CVE-2018-12401, CVE-2018-12402,
CVE-2018-12403)
Multiple security issues were discovered with WebExtensions in Firefox.
If a user were tricked in to installing a specially crafted extension, an
attacker could potenti
Red Hat
Mozilla: WebExtension bypass of domain restrictions through header rewriting
vendor_redhat·2018-10-23·CVSS 7.5
CVE-2018-12395 [HIGH] CWE-284 Mozilla: WebExtension bypass of domain restrictions through header rewriting
Mozilla: WebExtension bypass of domain restrictions through header rewriting
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.
Package: thunderbird (Red Hat Enterprise Linux 6) - Not affected
Package: thunderbird (Red Hat Enterprise Linux 7) - Not affected
Package: firefox (Red Hat Enterprise Linux 8) - Not affected
Package: thunderbird (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-12395: firefox - By rewriting the Host: request headers using the webRequest API, a WebExtension ...
vendor_debian·2018·CVSS 7.5
CVE-2018-12395 [HIGH] CVE-2018-12395: firefox - By rewriting the Host: request headers using the webRequest API, a WebExtension ...
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.
Scope: local
sid: resolved (fixed in 63.0-1)
GHSA
GHSA-vw7x-c78h-8w2r: By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting
ghsa_unreviewed·2022-05-13
CVE-2018-12395 [HIGH] GHSA-vw7x-c78h-8w2r: By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting
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.
OSV
CVE-2018-12395: By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting
osv·2019-02-28·CVSS 7.5
CVE-2018-12395 [HIGH] CVE-2018-12395: By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting
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.
OSV
firefox regressions
osv·2018-11-23·CVSS 8.8
[HIGH] firefox regressions
firefox regressions
USN-3801-1 fixed vulnerabilities in Firefox. The update introduced various
minor regressions. This update fixes the problems.
We apologize for the inconvenience.
Original advisory details:
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, bypass CSP
restrictions, spoof the protocol registration notification bar, leak
SameSite cookies, bypass mixed content warnings, or execute arbitrary
code. (CVE-2018-12388, CVE-2018-12390, CVE-2018-12392, CVE-2018-12393,
CVE-2018-12398, CVE-2018-12399, CVE-2018-12401, CVE-2018-12402,
CVE-2018-12403)
Multiple security issues were discovered with WebExtensions in Firefox.
If a user were trick
OSV
firefox vulnerabilities
osv·2018-10-24·CVSS 8.8
CVE-2018-12388 [HIGH] firefox vulnerabilities
firefox vulnerabilities
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, bypass CSP
restrictions, spoof the protocol registration notification bar, leak
SameSite cookies, bypass mixed content warnings, or execute arbitrary
code. (CVE-2018-12388, CVE-2018-12390, CVE-2018-12392, CVE-2018-12393,
CVE-2018-12398, CVE-2018-12399, CVE-2018-12401, CVE-2018-12402,
CVE-2018-12403)
Multiple security issues were discovered with WebExtensions in Firefox.
If a user were tricked in to installing a specially crafted extension, an
attacker could potentially exploit these to bypass domain restrictions,
gain additional privileges, or run content scripts in local pa
No detection rules found.
No public exploits indexed.
http://www.securityfocus.com/bid/105718http://www.securitytracker.com/id/1041944https://access.redhat.com/errata/RHSA-2018:3005https://access.redhat.com/errata/RHSA-2018:3006https://bugzilla.mozilla.org/show_bug.cgi?id=1467523https://lists.debian.org/debian-lts-announce/2018/11/msg00008.htmlhttps://security.gentoo.org/glsa/201811-04https://usn.ubuntu.com/3801-1/https://www.debian.org/security/2018/dsa-4324https://www.mozilla.org/security/advisories/mfsa2018-26/https://www.mozilla.org/security/advisories/mfsa2018-27/http://www.securityfocus.com/bid/105718http://www.securitytracker.com/id/1041944https://access.redhat.com/errata/RHSA-2018:3005https://access.redhat.com/errata/RHSA-2018:3006https://bugzilla.mozilla.org/show_bug.cgi?id=1467523https://lists.debian.org/debian-lts-announce/2018/11/msg00008.htmlhttps://security.gentoo.org/glsa/201811-04https://usn.ubuntu.com/3801-1/https://www.debian.org/security/2018/dsa-4324https://www.mozilla.org/security/advisories/mfsa2018-26/https://www.mozilla.org/security/advisories/mfsa2018-27/
2019-02-28
Published