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securityvulnsSecurityvulnsSECURITYVULNS:DOC:28529
HistorySep 03, 2012 - 12:00 a.m.

[USN-1552-1] OpenStack Keystone vulnerabilities

2012-09-0300:00:00
vulners.com
26

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Ubuntu Security Notice USN-1552-1
September 03, 2012

keystone vulnerabilities

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

  • Ubuntu 12.04 LTS

Summary:

Two security issues were fixed in OpenStack Keystone.

Software Description:

  • keystone: OpenStack identity service

Details:

Dolph Mathews discovered that OpenStack Keystone did not properly
restrict to administrative users the ability to update users'
tenants. A remote attacker that can reach the administrative API can
use this to add any user to any tenant. (CVE-2012-3542)

Derek Higgins discovered that OpenStack Keystone did not properly
implement token expiration. A remote attacker could use this to
continue to access an account that has been disabled or has a changed
password. (CVE-2012-3426)

Update instructions:

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

Ubuntu 12.04 LTS:
keystone 2012.1+stable~20120824-a16a0ab9-0ubuntu2.1
python-keystone 2012.1+stable~20120824-a16a0ab9-0ubuntu2.1

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

References:
http://www.ubuntu.com/usn/usn-1552-1
CVE-2012-3426, CVE-2012-3542

Package Information:
https://launchpad.net/ubuntu/+source/keystone/2012.1+stable~20120824-a16a0ab9-0ubuntu2.1

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