CVE-2016-9904 Information

Description

An attacker could use a JavaScript Map/Set timing attack to determine whether an atom is used by another compartment/zone in specific contexts. This could be used to leak information such as usernames embedded in JavaScript code across websites. This vulnerability affects Firefox 50.1 Firefox ESR 45.6 and Thunderbird 45.6.

CVSS Vector

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

Reference

http://rhn.redhat.com/errata/RHSA-2016-2946.html http://www.securityfocus.com/bid/94885 http://www.securitytracker.com/id/1037461 https://bugzilla.mozilla.org/show_bug.cgi?id=1317936 https://security.gentoo.org/glsa/201701-15 https://www.debian.org/security/2017/dsa-3757 https://www.mozilla.org/security/advisories/mfsa2016-94/ https://www.mozilla.org/security/advisories/mfsa2016-95/ https://www.mozilla.org/security/advisories/mfsa2016-96/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5