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CVE-2023-6837— Incorrect Authorization in Multiple WSO2 Products via Federated Authentication with JIT Provisioning Leading to User Impersonation

CVSS 8.5 · High EPSS 0.32% · P55
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I. Basic Information for CVE-2023-6837

Vulnerability Information
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Vulnerability Title
Incorrect Authorization in Multiple WSO2 Products via Federated Authentication with JIT Provisioning Leading to User Impersonation
Source: NVD (National Vulnerability Database)
Vulnerability Description
Multiple WSO2 products have been identified as vulnerable to perform user impersonatoin using JIT provisioning. In order for this vulnerability to have any impact on your deployment, following conditions must be met: * An IDP configured for federated authentication and JIT provisioning enabled with the "Prompt for username, password and consent" option. * A service provider that uses the above IDP for federated authentication and has the "Assert identity using mapped local subject identifier" flag enabled. Attacker should have: * A fresh valid user account in the federated IDP that has not been used earlier. * Knowledge of the username of a valid user in the local IDP. When all preconditions are met, a malicious actor could use JIT provisioning flow to perform user impersonation.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
WSO2 API Manager 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WSO2 API Manager是美国WSO2公司的一套API生命周期管理解决方案。 WSO2 API Manager 存在安全漏洞，该漏洞源于启用特定配置时，使用 JIT 配置的联合身份验证中存在潜在的用户模拟漏洞。
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

VendorProductAffected VersionsCPESubscribe
WSO2WSO2 API Manager 2.5.0 ~ 2.5.0.32 -
WSO2WSO2 Identity Server 5.6.0 ~ 5.6.0.16 -
WSO2WSO2 Identity Server as Key Manager 5.6.0 ~ 5.6.0.17 -
WSO2WSO2 Carbon Identity Application Authentication Framework 5.11.256 ~ 5.11.256.3 -

II. Public POCs for CVE-2023-6837

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III. Intelligence Information for CVE-2023-6837

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Same Patch Batch · WSO2 · 2023-12-15 · 5 CVEs total

CVE-2023-68386.1 MEDIUMWSO2 API Manager 跨站脚本漏洞
CVE-2023-68395.3 MEDIUMWSO2 API Manager 安全漏洞
CVE-2023-68364.6 MEDIUMWSO2 API Manager 安全漏洞
CVE-2023-68354.3 MEDIUMWSO2 API Manager 安全漏洞

IV. Related Vulnerabilities

Same product: WSO2 API Manager
Same vendor: WSO2
Same weakness: CWE-863

V. Comments for CVE-2023-6837

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