Cloud Foundry Password Reset 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.
8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cloud Foundry. It has been classified as critical. This affects an unknown function of the component Password Reset. The manipulation leads to access control. This vulnerability is referenced as CVE-2017-4992. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cloud Foundry (Cloud Software) (unknown version). It has been rated as critical. This issue affects an unknown code block of the component Password Reset. 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. The summary by CVE is:

An issue was discovered in Cloud Foundry Foundation cf-release versions prior to v261; UAA release 2.x versions prior to v2.7.4.17, 3.6.x versions prior to v3.6.11, 3.9.x versions prior to v3.9.13, and other versions prior to v4.2.0; and UAA bosh release (uaa-release) 13.x versions prior to v13.15, 24.x versions prior to v24.10, 30.x versions prior to 30.3, and other versions prior to v37. There is privilege escalation (arbitrary password reset) with user invitations.

The bug was discovered 05/19/2017. The weakness was published 06/13/2017 (Website). It is possible to read the advisory at cloudfoundry.org. The identification of this vulnerability is CVE-2017-4992 since 12/29/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 25 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

Similar entries are available at VDB-102276, VDB-102274, VDB-102272 and VDB-102271. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/29/2016 🔍
05/19/2017 +141 days 🔍
06/13/2017 +25 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
10/16/2019 +855 days 🔍

Sourcesinfo

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

CVE: CVE-2017-4992 (🔍)
GCVE (CVE): GCVE-0-2017-4992
GCVE (VulDB): GCVE-100-102275
See also: 🔍

Entryinfo

Created: 06/13/2017 17:04
Updated: 10/16/2019 12:56
Changes: 06/13/2017 17:04 (57), 10/16/2019 12:56 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!