CVE-2016-2826

HIGH

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

http://www.mozilla.org/security/announce/2016/mfsa2016-55.html

http://www.securityfocus.com/bid/91075

http://www.securitytracker.com/id/1036057

https://bugzilla.mozilla.org/show_bug.cgi?id=1237219

Details

Source: MITRE

Published: 2016-06-13

Updated: 2016-11-28

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH