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Incorrect Authorization Affecting firefox package, versions <0:52.3.0-2.el7_4

Severity

 Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.63% (79th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-4721804
  • published26 Jul 2021
  • disclosed8 Aug 2017
Report a new vulnerability Found a mistake?

Introduced: 8 Aug 2017

CVE-2017-7787  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:52.3.0-2.el7_4 or higher.
This issue was patched in RHSA-2017:2456.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Same-origin policy protections can be bypassed on pages with embedded iframes during page reloads, allowing the iframes to access content on the top level page, leading to information disclosure. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.