Published: 13/06/2016 Updated: 28/11/2016

CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 641

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

The maintenance service in Mozilla Firefox prior to 47.0 and Firefox ESR 45.x prior to 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.

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mozilla firefox_esr 45.1.1
mozilla firefox_esr 45.1.0
mozilla firefox

Mozilla Foundation Security Advisory 2016-55 File overwrite and privilege escalation through Mozilla Windows updater Announced June 7, 2016 Reporter Frédéric Hoguin Impact High Products Firefox, Firefox ESR Fixed in ...

CWE-264 http://www.mozilla.org/security/announce/2016/mfsa2016-55.html https://bugzilla.mozilla.org/show_bug.cgi?id=1237219 http://www.securitytracker.com/id/1036057 http://www.securityfocus.com/bid/91075 https://nvd.nist.gov https://www.mozilla.org/en-US/security/advisories/mfsa2016-55/

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CVE-2016-2826

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