User Interface (UI) Misrepresentation of Critical Information Affecting firefox package, versions <0:78.2.0-2.el8_2


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.19% (57th percentile)

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  • Snyk IDSNYK-CENTOS8-FIREFOX-2046140
  • published26 Jul 2021
  • disclosed28 Jul 2020

Introduced: 28 Jul 2020

CVE-2020-15654  (opens in a new tab)
CWE-451  (opens in a new tab)

How to fix?

Upgrade Centos:8 firefox to version 0:78.2.0-2.el8_2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

When in an endless loop, a website specifying a custom cursor using CSS could make it look like the user is interacting with the user interface, when they are not. This could lead to a perceived broken state, especially when interactions with existing browser dialogs and warnings do not work. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

CVSS Scores

version 3.1