CVE-2018-12395
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 2.9%
exploitation probability
2.9%top 14% of all CVEs
observed exploitation
nono source reports it
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.
References
https://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/1041944