CVE-2016-1954 Information

Description

The nsCSPContext::SendReports function in dom/security/nsCSPContext.cpp in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not prevent use of a non-HTTP report-uri for a Content Security Policy (CSP) violation report which allows remote attackers to cause a denial of service (data overwrite) or possibly gain privileges by specifying a URL of a local file.

CVSS Vector

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

Reference

http://hg.mozilla.org/releases/mozilla-release/rev/5154bb929236 http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00008.html http://www.debian.org/security/2016/dsa-3510 http://www.debian.org/security/2016/dsa-3520 http://www.mozilla.org/security/announce/2016/mfsa2016-17.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securitytracker.com/id/1035215 http://www.ubuntu.com/usn/USN-2917-1 http://www.ubuntu.com/usn/USN-2917-2 http://www.ubuntu.com/usn/USN-2917-3 http://www.ubuntu.com/usn/USN-2934-1 https://bugzilla.mozilla.org/show_bug.cgi?id=1243178 https://security.gentoo.org/glsa/201605-06

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8