Incorrect Authorization Affecting firefox package, versions <0:91.3.0-1.0.1.el7_9


Severity

Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.53% (78th percentile)

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  • Snyk ID SNYK-ORACLE7-FIREFOX-2589024
  • published 10 Apr 2022
  • disclosed 8 Dec 2021

How to fix?

Upgrade Oracle:7 firefox to version 0:91.3.0-1.0.1.el7_9 or higher.
This issue was patched in ELSA-2021-4116.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Oracle. See How to fix? for Oracle:7 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
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NVD

10 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

7.5 high
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Red Hat

10 critical