USN-3450-1: Open vSwitch vulnerabilities

Ubuntu Security Notice USN-3450-1

11th October, 2017

openvswitch vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 17.04
  • Ubuntu 16.04 LTS

Summary

Several security issues were fixed in Open vSwitch.

Software description

  • openvswitch
    – Ethernet virtual switch

Details

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. (CVE-2017-9214)

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. (CVE-2017-9263)

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. (CVE-2017-9264)

It was discovered that Open vSwitch incorrectly handled group mod OpenFlow
messages. A remote attacker could possibly use this issue to cause Open
vSwitch to crash, resulting in a denial of service. (CVE-2017-9265)

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 17.04:
openvswitch-common

2.6.1-0ubuntu5.1
Ubuntu 16.04 LTS:
openvswitch-common

2.5.2-0ubuntu0.16.04.2

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

CVE-2017-9214,

CVE-2017-9263,

CVE-2017-9264,

CVE-2017-9265


Source From: ubuntu.com.
Original article title: USN-3450-1: Open vSwitch vulnerabilities.
This full article can be read at: USN-3450-1: Open vSwitch vulnerabilities.

Advertisement


Random Article You May Like

Leave a Reply

Your email address will not be published. Required fields are marked *

*
*