VDB-103400 · CVE-2017-8032 · GCVE-0-2017-8032

Cloud Foundry External Provider access control

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cloud Foundry. Affected by this vulnerability is an unknown functionality of the component External Provider Handler. Such manipulation leads to access control. This vulnerability is referenced as CVE-2017-8032. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cloud Foundry (Cloud Software) (the affected version unknown). It has been rated as critical. Affected by this issue is an unknown part of the component External Provider Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Cloud Foundry cf-release versions prior to v264; UAA release all versions of UAA v2.x.x, 3.6.x versions prior to v3.6.13, 3.9.x versions prior to v3.9.15, 3.20.x versions prior to v3.20.0, and other versions prior to v4.4.0; and UAA bosh release (uaa-release) 13.x versions prior to v13.17, 24.x versions prior to v24.12. 30.x versions prior to 30.5, and other versions prior to v41, zone administrators are allowed to escalate their privileges when mapping permissions for an external provider.

The bug was discovered 06/07/2017. The weakness was published 07/10/2017 (Website). The advisory is shared for download at cloudfoundry.org. This vulnerability is handled as CVE-2017-8032 since 04/21/2017. The attack may be launched remotely. A simple authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 33 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Cloud Software

Name

Cloud Foundry

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.6
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

Class: Access control
CWE: CWE-264
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: 🔍

Timelineinfo

04/21/2017 🔍
06/07/2017 +47 days 🔍
07/10/2017 +33 days 🔍
07/10/2017 +0 days 🔍
07/12/2017 +2 days 🔍
10/24/2019 +834 days 🔍

Sourcesinfo

Advisory: cloudfoundry.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8032 (🔍)
GCVE (CVE): GCVE-0-2017-8032
GCVE (VulDB): GCVE-100-103400

Entryinfo

Created: 07/12/2017 10:23
Updated: 10/24/2019 17:24
Changes: 07/12/2017 10:23 (56), 10/24/2019 17:24 (2)
Complete: 🔍
Cache ID: 216::103