Improper Input Validation Affecting firefox-esr package, versions <68.1.0esr-1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.64% (80th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOXESR-460751
  • published3 Sept 2019
  • disclosed8 Jan 2020

Introduced: 3 Sep 2019

CVE-2019-9812  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Debian:unstable firefox-esr to version 68.1.0esr-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:unstable relevant fixed versions and status.

Given a compromised sandboxed content process due to a separate vulnerability, it is possible to escape that sandbox by loading accounts.firefox.com in that process and forcing a log-in to a malicious Firefox Sync account. Preference settings that disable the sandbox are then synchronized to the local machine and the compromised browser would restart without the sandbox if a crash is triggered. This vulnerability affects Firefox ESR < 60.9, Firefox ESR < 68.1, and Firefox < 69.

CVSS Scores

version 3.1