Ubuntu Security Notice 3450-1 - Bhargava Shastry discovered that Open vSwitch incorrectly handled certain OFP messages. A remote attacker could possibly use this issue to cause Open vSwitch to crash, resulting in a denial of service. It was discovered that Open vSwitch incorrectly handled certain OpenFlow role messages. A remote attacker could possibly use this issue to cause Open vSwitch to crash, resulting in a denial of service. It was discovered that Open vSwitch incorrectly handled certain malformed packets. A remote attacker could possibly use this issue to cause Open vSwitch to crash, resulting in a denial of service. This issue only affected Ubuntu 17.04. Various other issues were also addressed.
7451dfdaef4bf81cb411c0d38bdcc733cd605995d8a39176c7e352bf54a51ee0Red Hat Security Advisory 2017-2727-01 - 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.
44b2114d6fd4e89f950ff772e8554357193f616333eaa9290645b4ecde43a145Red Hat Security Advisory 2017-2698-01 - 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.
db5b6265a0cb2d3e10f79bbbcdaea23943dc9bf119d53dc2b76cf33b5831d1b0Red Hat Security Advisory 2017-2692-01 - 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.
2a4cd5e3e961a4a1168fdc14660418964f24500a363ecfd4fce71c4f6852e263Red 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.
dbb8e5ff887b13c00ddd81935c1f2e73c939e1862f657cd32f27cfed814787a9Red Hat Security Advisory 2017-2648-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Security Fix: An unsigned int wrap around leading to a buffer over-read was found when parsing OFPT_QUEUE_GET_CONFIG_REPLY messages in Open vSwitch. An attacker could use this flaw to cause a remote DoS. In Open vSwitch, while parsing an OpenFlow role status message there is a call to the abort() function for undefined role status reasons in the function `ofp_print_role_status_message` in `lib/ofp-print.c` that may be leveraged toward a remote DoS attack by a malicious switch.
a89207e2a95563240c607a5d5422b72c90ed390784fb1efbcfddd8431ef00b24Red Hat Security Advisory 2017-2553-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Security Fix: An unsigned int wrap around leading to a buffer over-read was found when parsing OFPT_QUEUE_GET_CONFIG_REPLY messages in Open vSwitch. An attacker could use this flaw to cause a remote DoS. In Open vSwitch, while parsing an OpenFlow role status message there is a call to the abort() function for undefined role status reasons in the function `ofp_print_role_status_message` in `lib/ofp-print.c` that may be leveraged toward a remote DoS attack by a malicious switch.
56936320101a5b922f34ab434526419eab4c9e3ba19796ee3ceb3cb4ad530d0eRed Hat Security Advisory 2017-2418-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. The following packages have been upgraded to a later upstream version: openvswitch. Security Fix: An unsigned int wrap around leading to a buffer over-read was found when parsing OFPT_QUEUE_GET_CONFIG_REPLY messages in Open vSwitch. An attacker could use this flaw to cause a remote DoS.
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