CVE-2018-5168

Publication date 10 May 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.3 · Medium

Score breakdown

Description

Sites can bypass security checks on permissions to install lightweight themes by manipulating the "baseURI" property of the theme element. This could allow a malicious site to install a theme without user interaction which could contain offensive or embarrassing images. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

Status

Package Ubuntu Release Status
firefox 18.04 LTS bionic
Fixed 60.0+build2-0ubuntu1
17.10 artful
Fixed 60.0+build2-0ubuntu0.17.10.1
16.04 LTS xenial
Fixed 60.0+build2-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 60.0+build2-0ubuntu0.14.04.1
thunderbird 18.04 LTS bionic
Fixed 1:52.8.0+build1-0ubuntu0.18.04.1
17.10 artful
Fixed 1:52.8.0+build1-0ubuntu0.17.10.1
16.04 LTS xenial
Fixed 1:52.8.0+build1-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 1:52.8.0+build1-0ubuntu0.14.04.1

Severity score breakdown

Parameter Value
Base score 5.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

Related Ubuntu Security Notices (USN)

Other references