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CVE-2024-40636— Basic Auth Credential Leakage to Logs After Fetch Registry Error in Steeltoe.Discovery.Eureka with Peer Awareness

Quick assessment

Affected
SteeltoeOSS security-advisories
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.

Steeltoe是Steeltoe OSS开源的一个工具。帮助用户使用外部化配置、服务发现、分布式跟踪、应用程序管理等构建生产级云原生应用程序。 Steeltoe存在安全漏洞，该漏洞源于是DiscoveryClient.cs文件中的_logger.LogError可能会将凭据泄露到日志中。

CVSS 5.3 · Medium EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2024-40636

Vulnerability Information
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Vulnerability Title
Basic Auth Credential Leakage to Logs After Fetch Registry Error in Steeltoe.Discovery.Eureka with Peer Awareness
Source: CVE Program / CVE List V5
Vulnerability Description
Steeltoe is an open source project that provides a collection of libraries that helps users build production-grade cloud-native applications using externalized configuration, service discovery, distributed tracing, application management, and more. When utilizing multiple Eureka server service URLs with basic auth and encountering an issue with fetching the service registry, an error is logged with the Eureka server service URLs but only the first URL is masked. The code in question is `_logger.LogError(e, "FetchRegistry Failed for Eureka service urls: {EurekaServerServiceUrls}", new Uri(ClientConfig.EurekaServerServiceUrls).ToMaskedString());` in the `DiscoveryClient.cs` file which may leak credentials into logs. This issue has been addressed in version 3.2.8 of the Steeltoe.Discovery.Eureka nuget package.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Steeltoe 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Steeltoe是Steeltoe OSS开源的一个工具。帮助用户使用外部化配置、服务发现、分布式跟踪、应用程序管理等构建生产级云原生应用程序。 Steeltoe存在安全漏洞，该漏洞源于是DiscoveryClient.cs文件中的_logger.LogError可能会将凭据泄露到日志中。
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
SteeltoeOSS security-advisories < 3.2.8 -

II. Public POCs for CVE-2024-40636

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III. Intelligence Information for CVE-2024-40636

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Vendor Advisories for CVE-2024-40636 (1)

IV. Related Vulnerabilities

Same product: security-advisories
Same vendor: SteeltoeOSS
Same weakness: CWE-532

V. Comments for CVE-2024-40636

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