The ScrollView::paint function in platform/scroll/ScrollView.cpp in Blink, as used in Google Chrome before 35.0.1916.114, allows remote attackers to spoof the UI by extending scrollbar painting into the parent frame.
http://googlechromereleases.blogspot.com/2014/05/stable-channel-update_20.html
http://lists.apple.com/archives/security-announce/2014/Dec/msg00000.html
http://lists.opensuse.org/opensuse-updates/2014-06/msg00023.html
http://lists.opensuse.org/opensuse-updates/2016-03/msg00132.html
http://secunia.com/advisories/58920
http://secunia.com/advisories/59155
http://secunia.com/advisories/60372
http://security.gentoo.org/glsa/glsa-201408-16.xml
http://support.apple.com/kb/HT6596
http://www.debian.org/security/2014/dsa-2939
http://www.securitytracker.com/id/1030270
http://www.ubuntu.com/usn/USN-2937-1
https://code.google.com/p/chromium/issues/detail?id=331168
https://src.chromium.org/viewvc/blink?revision=170625&view=revision
Source: MITRE
Published: 2014-05-21
Updated: 2017-12-29
Type: NVD-CWE-noinfo
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM