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CVE
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CVE-2018-12395Date: (C)2019-05-30   (M)2024-03-27


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 Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
SECTRACK-1041944
BID-105718
DSA-4324
GLSA-201811-04
RHSA-2018:3005
RHSA-2018:3006
USN-3801-1
https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1467523
https://www.mozilla.org/security/advisories/mfsa2018-26/
https://www.mozilla.org/security/advisories/mfsa2018-27/

CPE    334
cpe:/a:mozilla:firefox:37.0
cpe:/a:mozilla:firefox:14.0
cpe:/a:mozilla:firefox_esr:17.0.10
cpe:/a:mozilla:firefox_esr:38.0
...
OVAL    20
oval:org.secpod.oval:def:89002057
oval:org.secpod.oval:def:2103524
oval:org.secpod.oval:def:48206
oval:org.secpod.oval:def:204895
...

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