Ubuntu 12.04 LTS : keystone vulnerability (USN-1564-1)

Medium Nessus Plugin ID 62072


The remote Ubuntu host is missing one or more security-related patches.


Dolph Mathews discovered that when roles are granted and revoked to users in Keystone, pre-existing tokens were not updated or invalidated to take the new roles into account. An attacker could use this to continue to access resources that have been revoked.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected keystone and / or python-keystone packages.

Plugin Details

Severity: Medium

ID: 62072

File Name: ubuntu_USN-1564-1.nasl

Version: $Revision: 1.6 $

Type: local

Agent: unix

Published: 2012/09/13

Modified: 2016/05/25

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4

Temporal Score: 3.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:keystone, p-cpe:/a:canonical:ubuntu_linux:python-keystone, cpe:/o:canonical:ubuntu_linux:12.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2012/09/13

Reference Information

CVE: CVE-2012-4413

BID: 55524

OSVDB: 85484

USN: 1564-1