The OneClickSigninBubbleView::WindowClosing function in browser/ui/views/sync/one_click_signin_bubble_view.cc in Google Chrome before 32.0.1700.76 on Windows and before 32.0.1700.77 on Mac OS X and Linux allows attackers to trigger a sync with an arbitrary Google account by leveraging improper handling of the closing of an untrusted signin confirm dialog.
https://src.chromium.org/viewvc/chrome?revision=237115&view=revision
http://www.debian.org/security/2014/dsa-2862
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00008.html
http://googlechromereleases.blogspot.com/2014/01/stable-channel-update.html