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CVE-2023-20881

Quick assessment

Affected
n/a Cloud Controller API
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 CAPI是美国Cloud Foundry基金会的一个云控制器。 Cloud Foundry CAPI 1.140 到 1.152.0版本、Loggregator-agent v7+、CF Deployment 24.7.0 到 29.0.0版本存在安全漏洞，该漏洞源于Cloud foundry 实例以及 loggregator-agent v7+ 可能会覆盖其他用户的 syslog drain 凭据，攻击者利用该漏洞可以覆盖私钥并添加或修改用于连接的证书颁发机构。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.36% · P28
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I. Basic Information for CVE-2023-20881

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cloud foundry instances having CAPI version between 1.140 and 1.152.0 along with loggregator-agent v7+ may override other users syslog drain credentials if they're aware of the client certificate used for that syslog drain. This applies even if the drain has zero certs. This would allow the user to override the private key and add or modify a certificate authority used for the connection.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cloud Foundry CAPI 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloud Foundry CAPI是美国Cloud Foundry基金会的一个云控制器。 Cloud Foundry CAPI 1.140 到 1.152.0版本、Loggregator-agent v7+、CF Deployment 24.7.0 到 29.0.0版本存在安全漏洞，该漏洞源于Cloud foundry 实例以及 loggregator-agent v7+ 可能会覆盖其他用户的 syslog drain 凭据，攻击者利用该漏洞可以覆盖私钥并添加或修改用于连接的证书颁发机构。
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 Controller API Cloud Foundry cloud controller API versions between 1.140 and 1.152.0 and loggregator-agent v7+ -

II. Public POCs for CVE-2023-20881

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III. Intelligence Information for CVE-2023-20881

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Security Blog Posts for CVE-2023-20881 (1)

Same Patch Batch · n/a · 2023-05-19 · 11 CVEs total

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CVE-2022-30114 Fastweb FASTGate 缓冲区错误漏洞
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CVE-2023-30774 LibTIFF 缓冲区错误漏洞
CVE-2023-31757 Desdev DedeCMS 跨站脚本漏洞
CVE-2023-31707 SEMCMS SQL注入漏洞

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-295

V. Comments for CVE-2023-20881

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