Rapid7 Vulnerability & Exploit Database

MFSA2019-27 Firefox: Security vulnerabilities fixed in Firefox ESR 60.9 (CVE-2019-9812)

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MFSA2019-27 Firefox: Security vulnerabilities fixed in Firefox ESR 60.9 (CVE-2019-9812)

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:P)
Published
09/03/2019
Created
09/04/2019
Added
09/04/2019
Modified
01/16/2020

Description

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.

Solution(s)

  • mozilla-firefox-esr-upgrade-60_9

References

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