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CVE-2018-12364

Published: 27 June 2018

NPAPI plugins, such as Adobe Flash, can send non-simple cross-origin requests, bypassing CORS by making a same-origin POST that does a 307 redirect to the target site. This allows for a malicious site to engage in cross-site request forgery (CSRF) attacks. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
upstream
Released (61.0)
xenial
Released (61.0+build3-0ubuntu0.16.04.2)
artful
Released (61.0+build3-0ubuntu0.17.10.1)
bionic
Released (61.0+build3-0ubuntu0.18.04.1)
trusty
Released (61.0+build3-0ubuntu0.14.04.2)
thunderbird
Launchpad, Ubuntu, Debian
upstream
Released (52.9.0)
xenial
Released (1:52.9.1+build3-0ubuntu0.16.04.1)
artful
Released (1:52.9.1+build3-0ubuntu0.17.10.1)
bionic
Released (1:52.9.1+build3-0ubuntu0.18.04.1)
trusty
Released (1:52.9.1+build3-0ubuntu0.14.04.1)

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H