Information Exposure Affecting firefox-esr package, versions <45.0esr-1


0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High

    Threat Intelligence

    EPSS 0.35% (72nd percentile)
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NVD
6.5 medium
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Red Hat
4.3 medium

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  • Snyk ID SNYK-DEBIAN12-FIREFOXESR-1545841
  • published 13 Mar 2016
  • disclosed 13 Mar 2016

How to fix?

Upgrade Debian:12 firefox-esr to version 45.0esr-1 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:12 relevant fixed versions and status.

Mozilla Firefox before 45.0 does not properly restrict the availability of IFRAME Resource Timing API times, which allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via crafted JavaScript code that leverages history.back and performance.getEntries calls after restoring a browser session. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-7207.