CVE-2024-45042— Ory Kratos 授权问题漏洞
一分钟漏洞结论
影响对象
ory kratos
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Ory Kratos是Ory开源的一个对开发人员友好、安全性强、久经考验的云身份、用户管理和身份验证系统。 Ory Kratos 1.3.0之前版本存在授权问题漏洞，该漏洞源于在特定前提条件下，highest_available设置会错误地认为身份的最高可用AAL为aal1，即使实际是aal2。
可能的 ATT&CK 技术 3 AI
T1078 · Valid Accounts T1110 · Brute Force T1190 · Exploit Public-Facing Application
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一、 漏洞 CVE-2024-45042 基础信息
漏洞信息
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Vulnerability Title
Ory Kratos's `highest_available` setting does not properly respect code + mfa credentials
来源: CVE Program / CVE List V5
Vulnerability Description
Ory Kratos is an identity, user management and authentication system for cloud services. Prior to version 1.3.0, given a number of preconditions, the `highest_available` setting will incorrectly assume that the identity’s highest available AAL is `aal1` even though it really is `aal2`. This means that the `highest_available` configuration will act as if the user has only one factor set up, for that particular user. This means that they can call the settings and whoami endpoint without a `aal2` session, even though that should be disallowed. An attacker would need to steal or guess a valid login OTP of a user who has only OTP for login enabled and who has an incorrect `available_aal` value stored, to exploit this vulnerability. All other aspects of the session (e.g. the session’s aal) are not impacted by this issue. On the Ory Network, only 0.00066% of registered users were affected by this issue, and most of those users appeared to be test users. Their respective AAL values have since been updated and they are no longer vulnerable to this attack. Version 1.3.0 is not affected by this issue. As a workaround, those who require MFA should disable the passwordless code login method. If that is not possible, check the sessions `aal` to identify if the user has `aal1` or `aal2`.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
Ory Kratos 授权问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Ory Kratos是Ory开源的一个对开发人员友好、安全性强、久经考验的云身份、用户管理和身份验证系统。 Ory Kratos 1.3.0之前版本存在授权问题漏洞，该漏洞源于在特定前提条件下，highest_available设置会错误地认为身份的最高可用AAL为aal1，即使实际是aal2。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2024-45042 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2024-45042 厂商安全公告 (1)
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https://github.com/ory/kratos/security/advisories/GHSA-wc43-73w7-x2f5 x_refsource_CONFIRM
IV. Related Vulnerabilities
Same product: kratos
V. Comments for CVE-2024-45042
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