Information Exposure Affecting firefox-esr package, versions <52.3.0-r0


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.63% (80th percentile)

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  • Snyk IDSNYK-ALPINE37-FIREFOXESR-467906
  • published22 Sept 2019
  • disclosed22 Sept 2019
  • creditUnknown

Introduced: 22 Sep 2019

CVE-2017-7787  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Alpine:3.7 firefox-esr to version 52.3.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Alpine. See How to fix? for Alpine:3.7 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.