Access Restriction Bypass Affecting thunderbird package, versions [,102.3)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.11% (45th percentile)

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  • Snyk IDSNYK-UNMANAGED-THUNDERBIRD-3030668
  • published22 Sept 2022
  • disclosed20 Sept 2022
  • creditUnknown

Introduced: 20 Sep 2022

CVE-2022-40956  (opens in a new tab)
CWE-1021  (opens in a new tab)

How to fix?

Upgrade thunderbird to version 102.3 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass. Content-Security-Policy base-uri bypass. A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue that when injecting an HTML base element; some requests would ignore the CSP's base-uri settings and accept the injected element's base instead.

CVSS Scores

version 3.1