Open Redirect Affecting firefox package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.08% (38th percentile)

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  • Snyk IDSNYK-UBUNTU1604-FIREFOX-2315315
  • published10 Dec 2021
  • disclosed8 Dec 2021

Introduced: 8 Dec 2021

CVE-2021-43532  (opens in a new tab)
CWE-601  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:16.04 firefox.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

The 'Copy Image Link' context menu action would copy the final image URL after redirects. By embedding an image that triggered authentication flows - in conjunction with a Content Security Policy that stopped a redirection chain in the middle - the final image URL could be one that contained an authentication token used to takeover a user account. If a website tricked a user into copy and pasting the image link back to the page, the page would be able to steal the authentication tokens. This was fixed by making the action return the original URL, before any redirects. This vulnerability affects Firefox < 94.

CVSS Scores

version 3.1