Information Exposure Affecting firefox package, versions <0:52.1.0-2.el7_3


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.28% (69th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-4655012
  • published26 Jul 2021
  • disclosed19 Apr 2017

Introduced: 19 Apr 2017

CVE-2017-5454  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:52.1.0-2.el7_3 or higher.
This issue was patched in RHSA-2017:1106.

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.

A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file picker through the use of relative paths. This allows for read only access to the local file system. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.