Incorrect Permission Assignment for Critical Resource Affecting thunderbird-debuginfo package, versions <0:91.6.0-1.amzn2.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.53% (78th percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRDDEBUGINFO-2993216
  • published26 Aug 2022
  • disclosed8 Dec 2021

Introduced: 8 Dec 2021

CVE-2021-38503  (opens in a new tab)
CWE-732  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird-debuginfo to version 0:91.6.0-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2022-1818.

NVD Description

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

The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

CVSS Scores

version 3.1