Authentication Bypass Affecting mozilla-nspr-devel package, versions <4.25.1-3.17.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.14% (52nd percentile)

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  • Snyk IDSNYK-SLES151-MOZILLANSPRDEVEL-2684153
  • published14 Apr 2022
  • disclosed1 Apr 2021

Introduced: 1 Apr 2021

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

How to fix?

Upgrade SLES:15.1 mozilla-nspr-devel to version 4.25.1-3.17.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mozilla-nspr-devel package and not the mozilla-nspr-devel package as distributed by SLES. See How to fix? for SLES:15.1 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 Base Scores

version 3.1