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CVE-2020-5400— Cloud Controller logs environment variables from app manifests

Quick assessment

Affected
Cloud Foundry CAPI
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是美国Cloud Foundry基金会的一套开源的平台即服务（PaaS）云计算平台。该产品提供容器调度、持续交付和自动化服务部署等功能。Cloud Controller是其中的一款云控制器。 Cloud Foundry Cloud Controller (CAPI) 1.91.0之前版本中存在安全漏洞。攻击者可利用该漏洞获取凭证，进而未授权访问被保护的资源。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.75% · P53

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2020-5400

Vulnerability Information
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Vulnerability Title
Cloud Controller logs environment variables from app manifests
Source: CVE Program / CVE List V5
Vulnerability Description
Cloud Foundry Cloud Controller (CAPI), versions prior to 1.91.0, logs properties of background jobs when they are run, which may include sensitive information such as credentials if provided to the job. A malicious user with access to those logs may gain unauthorized access to resources protected by such credentials.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
Cloud Foundry Cloud Controller 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloud Foundry是美国Cloud Foundry基金会的一套开源的平台即服务（PaaS）云计算平台。该产品提供容器调度、持续交付和自动化服务部署等功能。Cloud Controller是其中的一款云控制器。 Cloud Foundry Cloud Controller (CAPI) 1.91.0之前版本中存在安全漏洞。攻击者可利用该漏洞获取凭证，进而未授权访问被保护的资源。
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 CAPI unspecified ~ 1.91.0 -

II. Public POCs for CVE-2020-5400

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III. Intelligence Information for CVE-2020-5400

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Security Blog Posts for CVE-2020-5400 (1)

Same Patch Batch · Cloud Foundry · 2020-02-27 · 3 CVEs total

CVE-2020-5401 Cloud Foundry GoRouter is vulnerable to cache poisoning
CVE-2020-5402 UAA fails to check the state parameter when authenticating with external IDPs

IV. Related Vulnerabilities

Same product: CAPI
Same vendor: Cloud Foundry
Same weakness: CWE-522

V. Comments for CVE-2020-5400

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