VDB-127939 · CVE-2018-15754 · BID 106240

Cloud Foundry UAA 60.x/61.x/62.x/63.x/64.x Authorization credentials management

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
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6.4$0-$5k0.00

A vulnerability has been found in Cloud Foundry UAA 60.x/61.x/62.x/63.x/64.x (Cloud Software) and classified as critical. Affected by this vulnerability is an unknown function of the component Authorization. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Cloud Foundry UAA, all versions in v60.x, v61.x, v62.x, v63.x, and v64.x contain an authorization logic error. In environments with multiple identity providers that contain accounts across identity providers with the same username, a remote authenticated user with access to one of these accounts may be able to obtain a token for an account of the same username in the other identity provider.

The bug was discovered 12/10/2018. The weakness was shared 12/13/2018 (Website). It is possible to read the advisory at cloudfoundry.org. This vulnerability is known as CVE-2018-15754 since 08/23/2018. The attack can be launched remotely. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106240†).

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 4.2
CNA Vector (Dell): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2018 🔍
12/10/2018 +109 days 🔍
12/10/2018 +0 days 🔍
12/13/2018 +3 days 🔍
12/13/2018 +0 days 🔍
12/14/2018 +1 days 🔍
06/18/2023 +1647 days 🔍

Sourcesinfo

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

CVE: CVE-2018-15754 (🔍)
SecurityFocus: 106240 - Cloud Foundry UAA CVE-2018-15754 Authorization Bypass Vulnerability

Entryinfo

Created: 12/14/2018 07:33 AM
Updated: 06/18/2023 05:59 PM
Changes: 12/14/2018 07:33 AM (58), 04/20/2020 06:41 PM (4), 06/18/2023 05:59 PM (14)
Complete: 🔍
Cache ID: 18:E29:40

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