Information Exposure Affecting firefox-esr package, versions <52.3.0esr-1~deb8u2


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.39% (75th percentile)

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  • Snyk IDSNYK-DEBIAN8-FIREFOXESR-354744
  • published11 Jun 2018
  • disclosed11 Jun 2018

Introduced: 11 Jun 2018

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

How to fix?

Upgrade Debian:8 firefox-esr to version 52.3.0esr-1~deb8u2 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 Debian. See How to fix? for Debian:8 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.