Mozilla Firefox before 27.0 and SeaMonkey before 2.24 allow remote attackers to bypass the Same Origin Policy and obtain sensitive information by using an IFRAME element in conjunction with certain timing measurements involving the document.caretPositionFromPoint and document.elementFromPoint functions.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-1483
• https://8pecxstudios.com/?page_id=44080
• https://bugzilla.mozilla.org/show_bug.cgi?id=950427
• https://exchange.xforce.ibmcloud.com/vulnerabilities/90893
• https://security.gentoo.org/glsa/201504-01
• http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.html
• http://osvdb.org/102869
• http://secunia.com/advisories/56706
• http://secunia.com/advisories/56767
• http://secunia.com/advisories/56787
• http://secunia.com/advisories/56888
• http://www.mozilla.org/security/announce/2014/mfsa2014-05.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• http://www.securityfocus.com/bid/65316
• http://www.securitytracker.com/id/1029717
• http://www.securitytracker.com/id/1029720
• http://www.ubuntu.com/usn/USN-2102-1
• http://www.ubuntu.com/usn/USN-2102-2