CVE-2016-5268 Information

Description

Mozilla Firefox before 48.0 does not properly set the LINKABLE and URI_SAFE_FOR_UNTRUSTED_CONTENT flags of about: URLs that are used for error pages which makes it easier for remote attackers to conduct spoofing attacks via a crafted URL as demonstrated by misleading text after an about:neterror?d= substring.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html http://www.mozilla.org/security/announce/2016/mfsa2016-83.html http://www.securityfocus.com/bid/92260 http://www.securitytracker.com/id/1036508 http://www.ubuntu.com/usn/USN-3044-1 https://bugzilla.mozilla.org/show_bug.cgi?id=1253673 https://security.gentoo.org/glsa/201701-15

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3