CVE-2018-5135

Publication date 14 March 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

WebExtensions can bypass normal restrictions in some circumstances and use “browser.tabs.executeScript” to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged “about:” pages. This vulnerability affects Firefox < 59.

Status

Package Ubuntu Release Status
firefox 18.04 LTS bionic
Fixed 59.0.1+build1-0ubuntu1
17.10 artful
Fixed 59.0+build5-0ubuntu0.17.10.1
16.04 LTS xenial
Fixed 59.0+build5-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 59.0+build5-0ubuntu0.14.04.1

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-3596-1
    • Firefox vulnerabilities
    • 14 March 2018

Other references