VDB-107428 · CVE-2017-8048 · GCVE-0-2017-8048

Cloud Foundry prior 1.33.0 Cloud Controller VM Crafted Application 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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Cloud Foundry. It has been declared as critical. This affects an unknown part of the component Cloud Controller VM. Executing a manipulation as part of Crafted Application can lead to access control. This vulnerability appears as CVE-2017-8048. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cloud Foundry (Cloud Software) and classified as critical. This vulnerability affects some unknown processing of the component Cloud Controller VM. The manipulation as part of a Crafted Application leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In Cloud Foundry capi-release versions 1.33.0 and later, prior to 1.42.0 and cf-release versions 268 and later, prior to 274, the original fix for CVE-2017-8033 introduces an API regression that allows a space developer to execute arbitrary code on the Cloud Controller VM by pushing a specially crafted application. NOTE: 274 resolves the vulnerability but has a serious bug that is fixed in 275.

The bug was discovered 09/26/2017. The weakness was presented 10/04/2017 (Website). The advisory is shared for download at cloudfoundry.org. This vulnerability was named CVE-2017-8048 since 04/21/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. 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 7 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.33.0 eliminates this vulnerability.

See VDB-107427 for similar entry. Once again VulDB remains the best source for vulnerability data.

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: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Cloud Foundry 1.33.0

Timelineinfo

04/21/2017 🔍
09/26/2017 +158 days 🔍
10/03/2017 +7 days 🔍
10/04/2017 +1 days 🔍
10/04/2017 +0 days 🔍
11/21/2019 +778 days 🔍

Sourcesinfo

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

CVE: CVE-2017-8048 (🔍)
GCVE (CVE): GCVE-0-2017-8048
GCVE (VulDB): GCVE-100-107428
See also: 🔍

Entryinfo

Created: 10/04/2017 10:32
Updated: 11/21/2019 17:53
Changes: 10/04/2017 10:32 (59), 11/21/2019 17:53 (2)
Complete: 🔍
Cache ID: 216::103