CVE-2017-7766

An attack using manipulation of "updater.ini" contents, used by the Mozilla Windows Updater, and privilege escalation through the Mozilla Maintenance Service to allow for arbitrary file execution and deletion by the Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54.

• http://www.securityfocus.com/bid/99057Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038689Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1342742Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-15/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-16/Vendor Advisory
• http://www.securityfocus.com/bid/99057Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1038689Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1342742Issue Tracking, Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-15/Vendor Advisory
• https://www.mozilla.org/security/advisories/mfsa2017-16/Vendor Advisory

Published

Jun 11, 2018

Last Modified

Jun 17, 2026

Status

Modified

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