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CVE-2024-23838— TrueLayer.Client SSRF when fetching payment or payment provider

Quick assessment

Affected
TrueLayer truelayer-dotnet
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.

TrueLayer.NET是英国TrueLayer公司的一个 TrueLayer 的 .Net 客户端。 TrueLayer.NET 存在代码问题漏洞。攻击者利用该漏洞获得对 API 类中使用的 HttpClient 的目标 URL 的控制权。

AI Predicted 6.5 Difficulty: Easy EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1567 · Exfiltration Over Web Service
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I. Basic Information for CVE-2024-23838

Vulnerability Information
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Vulnerability Title
TrueLayer.Client SSRF when fetching payment or payment provider
Source: CVE Program / CVE List V5
Vulnerability Description
TrueLayer.NET is the .Net client for TrueLayer. The vulnerability could potentially allow a malicious actor to gain control over the destination URL of the HttpClient used in the API classes. For applications using the SDK, requests to unexpected resources on local networks or to the internet could be made which could lead to information disclosure. The issue can be mitigated by having strict egress rules limiting the destinations to which requests can be made, and applying strict validation to any user input passed to the `truelayer-dotnet` library. Versions of TrueLayer.Client `v1.6.0` and later are not affected.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
TrueLayer.NET 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TrueLayer.NET是英国TrueLayer公司的一个 TrueLayer 的 .Net 客户端。 TrueLayer.NET 存在代码问题漏洞。攻击者利用该漏洞获得对 API 类中使用的 HttpClient 的目标 URL 的控制权。
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
TrueLayer truelayer-dotnet < 1.6.0 -

II. Public POCs for CVE-2024-23838

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III. Intelligence Information for CVE-2024-23838

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Patches & Fixes for CVE-2024-23838 (1)

Vendor Advisories for CVE-2024-23838 (1)

IV. Related Vulnerabilities

Same vendor: TrueLayer
Same weakness: CWE-918

V. Comments for CVE-2024-23838

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