CVE-2016-2826

HIGH

Firefox < 47.0 and Firefox ESR 45.x < 45.2 - Privilege Escalation via MAR File Tampering

Title source: llm
STIX 2.1

Description

The maintenance service in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 on Windows does not prevent MAR extracted-file modification during updater execution, which might allow local users to gain privileges via a Trojan horse file.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036057
Issue Tracking x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1237219
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/91075

Scores

CVSS v3 7.8
EPSS 0.0005
EPSS Percentile 16.7%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-264
Status published
Products (3)
mozilla/firefox 45.1.0
mozilla/firefox 45.1.1
mozilla/firefox < 46.0.1
Published Jun 13, 2016
Tracked Since Feb 18, 2026