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CVE-2024-45052— Fides Webserver Authentication Timing-Based Username Enumeration Vulnerability

Quick assessment

Affected
ethyca fides
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.

Ethyca Fides是Ethyca公司的一个开源隐私工程平台，用于管理运行时环境中数据隐私请求的实现以及代码中隐私法规的执行。 Ethyca Fides 2.44.0之前版本存在安全漏洞。攻击者利用该漏洞可以通过分析服务器响应登录请求所需的时间来确定有效用户名的存在。

CVSS 5.3 · Medium EPSS 0.56% · P45
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I. Basic Information for CVE-2024-45052

Vulnerability Information
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Vulnerability Title
Fides Webserver Authentication Timing-Based Username Enumeration Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Fides is an open-source privacy engineering platform. Prior to version 2.44.0, a timing-based username enumeration vulnerability exists in Fides Webserver authentication. This vulnerability allows an unauthenticated attacker to determine the existence of valid usernames by analyzing the time it takes for the server to respond to login requests. The discrepancy in response times between valid and invalid usernames can be leveraged to enumerate users on the system. This vulnerability enables a timing-based username enumeration attack. An attacker can systematically guess and verify which usernames are valid by measuring the server's response time to authentication requests. This information can be used to conduct further attacks on authentication such as password brute-forcing and credential stuffing. The vulnerability has been patched in Fides version `2.44.0`. Users are advised to upgrade to this version or later to secure their systems against this threat. There are no workarounds.
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
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Ethyca Fides 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ethyca Fides是Ethyca公司的一个开源隐私工程平台，用于管理运行时环境中数据隐私请求的实现以及代码中隐私法规的执行。 Ethyca Fides 2.44.0之前版本存在安全漏洞。攻击者利用该漏洞可以通过分析服务器响应登录请求所需的时间来确定有效用户名的存在。
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
ethyca fides < 2.44.0 -

II. Public POCs for CVE-2024-45052

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III. Intelligence Information for CVE-2024-45052

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Patches & Fixes for CVE-2024-45052 (1)

Vendor Advisories for CVE-2024-45052 (1)

IV. Related Vulnerabilities

Same product: fides
Same vendor: ethyca
Same weakness: CWE-208

V. Comments for CVE-2024-45052

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