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MFSA2018-27 Firefox: Security vulnerabilities fixed in Firefox ESR 60.3 (CVE-2018-12395)

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MFSA2018-27 Firefox: Security vulnerabilities fixed in Firefox ESR 60.3 (CVE-2018-12395)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
10/23/2018
Created
03/19/2019
Added
10/24/2018
Modified
03/04/2019

Description

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.

Solution(s)

  • mozilla-firefox-esr-upgrade-60_3

References

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