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CVE-2018-12358

Published: 27 June 2018

Service workers can use redirection to avoid the tainting of cross-origin resources in some instances, allowing a malicious site to read responses which are supposed to be opaque. This vulnerability affects Firefox < 61.

Priority

Medium

Cvss 3 Severity Score

4.3

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)

Severity score breakdown

Parameter Value
Base score 4.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N