Authentication Bypass Affecting thunderbird package, versions <0:78.9.0-3.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRD-1698285
  • published27 Sept 2021
  • disclosed31 Mar 2021

Introduced: 31 Mar 2021

CVE-2021-23984  (opens in a new tab)
CWE-290  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird to version 0:78.9.0-3.amzn2 or higher.
This issue was patched in ALAS2-2021-1632.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an address bar should not be fully controllable, but in this situation was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

CVSS Scores

version 3.1