Vulnerability CVE-2013-4477

Vulnerability Name:

CVE-2013-4477 (CCN-88333)

Assigned:

2013-10-29

Published:

2013-10-29

Updated:

2014-03-06

Summary:

The LDAP backend in OpenStack Identity (Keystone) Grizzly and Havana, when removing a role on a tenant for a user who does not have that role, adds the role to the user, which allows local users to gain privileges.

CVSS v3 Severity:

5.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

3.3 Low (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:N)
2.5 Low (Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:N/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): None

3.3 Low (CCN CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:N)
2.5 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:N/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Medium Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): None

Vulnerability Type:

CWE-264

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2013-4477

Source: CCN
Type: OpenStack Web site
Welcome to Keystone, the OpenStack Identity Service

Source: CCN
Type: RHSA-2014-0113
Moderate: openstack-keystone security update

Source: REDHAT
Type: UNKNOWN
RHSA-2014:0113

Source: CCN
Type: oss-sec Mailing List, Tue, 29 Oct 2013 09:55:27 -0600
Re: CVE request for a vulnerability in OpenStack Keystone

Source: MLIST
Type: Patch
[oss-security] 20131030 [OSSA 2013-028] Unintentional role granting with Keystone LDAP backend (CVE-2013-4477)

Source: CCN
Type: BID-63395
OpenStack Keystone LDAP Assignment Security Bypass Vulnerability

Source: UBUNTU
Type: UNKNOWN
USN-2034-1

Source: CCN
Type: OSSA 2013-028
Removing role adds role with LDAP backend

Source: CONFIRM
Type: Exploit
https://bugs.launchpad.net/keystone/+bug/1242855

Source: XF
Type: UNKNOWN
keystone-cve20134477-unauth-priv(88333)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2013-4477

Vulnerable Configuration:

Configuration 1:

cpe:/a:openstack:grizzly:-:*:*:*:*:*:*:*

OR cpe:/a:openstack:havana:-:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:openstack:keystone:-:*:*:*:*:*:*:*

AND

cpe:/a:redhat:openstack:3.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.mitre.oval:def:19753	P	USN-2034-1 -- keystone vulnerability	2014-06-30
oval:com.ubuntu.precise:def:20134477000	V	CVE-2013-4477 on Ubuntu 12.04 LTS (precise) - medium.	2013-11-02

BACK