CVE-2017-9263

Publication date 29 May 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

In Open vSwitch (OvS) 2.7.0, 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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openvswitch	17.04 zesty	Fixed 2.6.1-0ubuntu5.1
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 2.5.2-0ubuntu0.16.04.2
	14.04 LTS trusty	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
openvswitch	Upstream: b76d4a8

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Adjacent
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3450-1
Open vSwitch vulnerabilities
11 October 2017