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CVE-2018-15754— UAA can issue tokens across identity providers if users with matching usernames exist

Quick assessment

Affected
Cloud Foundry UAA Release
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cloud Foundry UAA是美国Cloud Foundry基金会的应用于Cloud Foundry云平台的一款身份验证和管理服务终端。 Cloud Foundry UAA中存在安全漏洞。远程攻击者可利用该漏洞获取具有相同用户名的账户令牌。以下版本受到影响：Cloud Foundry UAA 60.x版本，61.x版本，62.x版本，63.x版本，64.x版本。

AI Predicted 6.5 Difficulty: Easy EPSS 1.78% · P78
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I. Basic Information for CVE-2018-15754

Vulnerability Information
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Vulnerability Title
UAA can issue tokens across identity providers if users with matching usernames exist
Source: CVE Program / CVE List V5
Vulnerability Description
Cloud Foundry UAA, versions 60 prior to 66.0, 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Cloud Foundry UAA 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloud Foundry UAA是美国Cloud Foundry基金会的应用于Cloud Foundry云平台的一款身份验证和管理服务终端。 Cloud Foundry UAA中存在安全漏洞。远程攻击者可利用该漏洞获取具有相同用户名的账户令牌。以下版本受到影响：Cloud Foundry UAA 60.x版本，61.x版本，62.x版本，63.x版本，64.x版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cloud Foundry UAA Release 60 ~ 66.0 -

II. Public POCs for CVE-2018-15754

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III. Intelligence Information for CVE-2018-15754

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Vendor Advisories for CVE-2018-15754 (1)

Security Blog Posts for CVE-2018-15754 (1)

IV. Related Vulnerabilities

Same product: UAA Release
Same vendor: Cloud Foundry