VDB-154844 · CVE-2020-12691 · GCVE-0-2020-12691

OpenStack OpenStack Keystone up to 15.0.0/16.0.0 EC2 Credential Masquerade missing encryption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in OpenStack OpenStack Keystone up to 15.0.0/16.0.0 and classified as critical. This affects an unknown function of the component EC2 Credential Handler. Such manipulation leads to missing encryption (Masquerade). This vulnerability is traded as CVE-2020-12691. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenStack OpenStack Keystone up to 15.0.0/16.0.0 (Cloud Software). It has been rated as critical. Affected by this issue is an unknown code of the component EC2 Credential Handler. The manipulation with an unknown input leads to a missing encryption vulnerability (Masquerade). Using CWE to declare the problem leads to CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. Any authenticated user can create an EC2 credential for themselves for a project that they have a specified role on, and then perform an update to the credential user and project, allowing them to masquerade as another user. This potentially allows a malicious user to act as the admin on a project another user has the admin role on, which can effectively grant that user global admin privileges.

The weakness was shared 05/07/2020. This vulnerability is handled as CVE-2020-12691 since 05/06/2020. The attack may be launched remotely. A simple authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

Upgrading to version 15.0.1 eliminates this vulnerability.

The entries VDB-154845, VDB-154843 and VDB-154842 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

OpenStack

Name

OpenStack Keystone

Version

License

free

Website

Vendor: https://www.openstack.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Masquerade
Class: Missing encryption / Masquerade
CWE: CWE-311 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenStack Keystone 15.0.1

Timelineinfo

05/06/2020 🔍
05/07/2020 +1 days 🔍
05/07/2020 +0 days 🔍
10/15/2020 +161 days 🔍

Sourcesinfo

Vendor: openstack.org

Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-12691 (🔍)
GCVE (CVE): GCVE-0-2020-12691
GCVE (VulDB): GCVE-100-154844
See also: 🔍

Entryinfo

Created: 05/07/2020 09:20
Updated: 10/15/2020 19:32
Changes: 05/07/2020 09:20 (40), 05/07/2020 09:25 (18), 10/15/2020 19:32 (1)
Complete: 🔍
Cache ID: 216::103