The VNC server implementation in QEMU, as used by Xen and possibly other environments, allows local users of a guest operating system to read arbitrary files on the host operating system via unspecified vectors related to QEMU monitor mode, as demonstrated by mapping files to a CDROM device. NOTE: some of these details are obtained from third party information.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10486
https://exchange.xforce.ibmcloud.com/vulnerabilities/33085
http://www.vupen.com/english/advisories/2007/1021
http://www.vupen.com/english/advisories/2007/1020
http://www.vupen.com/english/advisories/2007/1019
http://www.securitytracker.com/id?1017764
http://www.securityfocus.com/bid/22967
http://secunia.com/advisories/51413
http://secunia.com/advisories/24575
http://rhn.redhat.com/errata/RHSA-2007-0114.html
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html