CVE-2016-5293 Information

Description

When the Mozilla Updater is run if the Updater’s log file in the working directory points to a hardlink data can be appended to an arbitrary local file. This vulnerability requires local system access. Note: this issue only affects Windows operating systems. This vulnerability affects Firefox ESR 45.5 and Firefox 50.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/94336 http://www.securitytracker.com/id/1037298 https://bugzilla.mozilla.org/show_bug.cgi?id=1246945 https://security.gentoo.org/glsa/201701-15 https://www.mozilla.org/security/advisories/mfsa2016-89/ https://www.mozilla.org/security/advisories/mfsa2016-90/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.5