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CVE-2017-9214

Status Candidate

Overview

In Open vSwitch (OvS) 2.7.0, while parsing an OFPT_QUEUE_GET_CONFIG_REPLY type OFP 1.0 message, there is a buffer over-read that is caused by an unsigned integer underflow in the function `ofputil_pull_queue_get_config_reply10` in `lib/ofp-util.c`.

Related Files

Ubuntu Security Notice USN-3450-1
Posted Oct 12, 2017
Authored by Ubuntu | Site security.ubuntu.com

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.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2017-9214, CVE-2017-9263, CVE-2017-9264, CVE-2017-9265
MD5 | b4970ef8d5269933174c21dd7316285b
Red Hat Security Advisory 2017-2727-01
Posted Sep 14, 2017
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, remote, denial of service, protocol
systems | linux, redhat
advisories | CVE-2017-9214, CVE-2017-9263, CVE-2017-9264, CVE-2017-9265
MD5 | 3b79bea0ae6b5f934f26a81fc17ee4d1
Red Hat Security Advisory 2017-2698-01
Posted Sep 13, 2017
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, remote, denial of service, protocol
systems | linux, redhat
advisories | CVE-2017-9214, CVE-2017-9263, CVE-2017-9265
MD5 | 17dd9eac990782eb8ec6ab66a30060d8
Red Hat Security Advisory 2017-2692-01
Posted Sep 13, 2017
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, remote, denial of service, protocol
systems | linux, redhat
advisories | CVE-2017-9214, CVE-2017-9263, CVE-2017-9265
MD5 | 7c19a66296d7fafae4b4600d1fef8643
Red Hat Security Advisory 2017-2665-01
Posted Sep 6, 2017
Authored by Red Hat | Site access.redhat.com

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.

tags | advisory, remote, denial of service, protocol
systems | linux, redhat
advisories | CVE-2017-9214, CVE-2017-9263, CVE-2017-9265
MD5 | c17769c8668cc43a2a091c90427cf681
Red Hat Security Advisory 2017-2648-01
Posted Sep 6, 2017
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2017-9214, CVE-2017-9263, CVE-2017-9264, CVE-2017-9265
MD5 | abc3c45ab7bf7fe6b5c20fe9a3c12638
Red Hat Security Advisory 2017-2553-01
Posted Aug 30, 2017
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2017-9214, CVE-2017-9263, CVE-2017-9265
MD5 | a245095243e9ac3a036b47967af42601
Red Hat Security Advisory 2017-2418-01
Posted Aug 4, 2017
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, remote, protocol
systems | linux, redhat
advisories | CVE-2017-9214, CVE-2017-9263, CVE-2017-9264, CVE-2017-9265
MD5 | e5fa7cc9b84728344ca7051c4b544620
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