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CVE-2022-1561— Crafted backend URLs in Lura Project

Quick assessment

Affected
KrakenD Lura Project
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.

Lura是Lura Project开源的一个将超高性能 API 网关与中间件组装在一起的开放框架。KrakenD是KrakenD开源的一个可扩展的超高性能 API 网关。可帮助您轻松采用微服务和安全通信。 Lura 和 KrakenD-CE 2.0.2 之前版本和 KrakenD-EE 2.0.0 之前版本存在安全漏洞，该漏洞源于不正确清理 URL 参数，当远程用户发送狡猾的 URL 请求时，允许恶意用户更改为管道定义的后端 URL。该漏洞不会影响 KrakenD 本身，但使用的后端可能容易受到攻击。

CVSS 4.0 · Medium EPSS 0.59% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-1561

Vulnerability Information
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Vulnerability Title
Crafted backend URLs in Lura Project
Source: CVE Program / CVE List V5
Vulnerability Description
Lura and KrakenD-CE versions older than v2.0.2 and KrakenD-EE versions older than v2.0.0 do not sanitize URL parameters correctly, allowing a malicious user to alter the backend URL defined for a pipe when remote users send crafty URL requests. The vulnerability does not affect KrakenD itself, but the consumed backend might be vulnerable.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对假设不可变数据的修改(MAID)
Source: CVE Program / CVE List V5
Vulnerability Title
Lura和KrakenD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lura是Lura Project开源的一个将超高性能 API 网关与中间件组装在一起的开放框架。KrakenD是KrakenD开源的一个可扩展的超高性能 API 网关。可帮助您轻松采用微服务和安全通信。 Lura 和 KrakenD-CE 2.0.2 之前版本和 KrakenD-EE 2.0.0 之前版本存在安全漏洞，该漏洞源于不正确清理 URL 参数，当远程用户发送狡猾的 URL 请求时，允许恶意用户更改为管道定义的后端 URL。该漏洞不会影响 KrakenD 本身，但使用的后端可能容易受到攻击。
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
KrakenD Lura Project v2.0.2 ~ v2.0.2 -
KrakenD KrakenD-CE v2.0.2 ~ v2.0.2 -
KrakenD KrakenD-EE v2.0.0 ~ v2.0.0 -

II. Public POCs for CVE-2022-1561

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2022-1561

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Security Blog Posts for CVE-2022-1561 (1)

Other References for CVE-2022-1561 (1)

IV. Related Vulnerabilities

Same vendor: KrakenD
Same weakness: CWE-471