The user_change_icon_file_authorized_cb function in /usr/libexec/accounts-daemon in AccountsService before 0.6.22 does not properly check the UID when copying an icon file to the system cache directory, which allows local users to read arbitrary files via a race condition.
https://hermes.opensuse.org/messages/15100967
https://exchange.xforce.ibmcloud.com/vulnerabilities/76648
https://bugzilla.redhat.com/show_bug.cgi?id=832532
http://www.ubuntu.com/usn/USN-1485-1
http://www.securityfocus.com/bid/54223
http://www.openwall.com/lists/oss-security/2012/06/28/9
http://secunia.com/advisories/49759
http://secunia.com/advisories/49695
http://lists.fedoraproject.org/pipermail/package-announce/2012-July/083359.html
http://cgit.freedesktop.org/accountsservice/commit/?id=27f3d93a82fde4f6c7ab54f3f008af04f93f9c69