Red Hat Security Advisory 2017-2665-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Security Fix: An unsigned integer wrap around that led to a buffer over-read was found when parsing OFPT_QUEUE_GET_CONFIG_REPLY messages in Open vSwitch. An attacker could use this issue to cause a remote denial of service attack. While parsing an OpenFlow role status message Open vSwitch, a call to the abort() function for undefined role status reasons in the function 'ofp_print_role_status_message' in 'lib/ofp-print.c' could be misused for a remote denial of service attack by a malicious switch. Continue reading...
