CVE-2017-2673

Publication date 27 April 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An authorization-check flaw was discovered in federation configurations of the OpenStack Identity service (keystone). An authenticated federated user could request permissions to a project and unintentionally be granted all related roles including administrative roles.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
keystone	17.04 zesty	Not affected
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 2:9.3.0-0ubuntu3.1
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Ignored end of life

Notes

mdeslaur

>=10.0.0 <=10.0.1, ==11.0.0

Severity score breakdown

Parameter	Value
Base score	7.2 · High
Attack vector	Network
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3448-1
OpenStack Keystone vulnerability
11 October 2017