Related Vulnerabilities: CVE-2019-17009  

A privilege escalation vulnerability has been found in Firefox before 71.0. When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to locate and exploit a vulnerability in file handling in the updater service.

Severity Medium

Remote No

Type Privilege escalation

Description

A privilege escalation vulnerability has been found in Firefox before 71.0. When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to locate and exploit a vulnerability in file handling in the updater service.

AVG-1071 firefox 70.0.1-3 71.0-1 Critical Fixed

https://www.mozilla.org/en-US/security/advisories/mfsa2019-36/#CVE-2019-17009
https://bugzilla.mozilla.org/show_bug.cgi?id=1510494