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CVE-2022-23600— Fleet 授权问题漏洞

一分钟漏洞结论

影响对象
fleetdm fleet
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。

Fleet是一套主机监控平台。 fleet 存在授权问题漏洞，该漏洞源于对SAML身份验证进行欺骗的有限能力，缺少用户验证。

CVSS 5.3 · Medium EPSS 0.90% · P58

可能的 ATT&CK 技术 1 AI

T1110.001 · Password Guessing
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一、 漏洞 CVE-2022-23600 基础信息

漏洞信息
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Vulnerability Title
Limited ability to spoof SAML authentication with missing audience verification
来源: CVE Program / CVE List V5
Vulnerability Description
fleet is an open source device management, built on osquery. Versions prior to 4.9.1 expose a limited ability to spoof SAML authentication with missing audience verification. This impacts deployments using SAML SSO in two specific cases: 1. A malicious or compromised Service Provider (SP) could reuse the SAML response to log into Fleet as a user -- only if the user has an account with the same email in Fleet, _and_ the user signs into the malicious SP via SAML SSO from the same Identity Provider (IdP) configured with Fleet. 2. A user with an account in Fleet could reuse a SAML response intended for another SP to log into Fleet. This is only a concern if the user is blocked from Fleet in the IdP, but continues to have an account in Fleet. If the user is blocked from the IdP entirely, this cannot be exploited. Fleet 4.9.1 resolves this issue. Users unable to upgrade should: Reduce the length of sessions on your IdP to reduce the window for malicious re-use, Limit the amount of SAML Service Providers/Applications used by user accounts with access to Fleet, and When removing access to Fleet in the IdP, delete the Fleet user from Fleet as well.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/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
Fleet 授权问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Fleet是一套主机监控平台。 fleet 存在授权问题漏洞，该漏洞源于对SAML身份验证进行欺骗的有限能力，缺少用户验证。
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

厂商 产品 影响版本 CPE 订阅
fleetdm fleet < 4.9.1 -

二、漏洞 CVE-2022-23600 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2022-23600 的情报信息

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CVE-2022-23600 补丁与修复 (1)

CVE-2022-23600 厂商安全公告 (1)

IV. Related Vulnerabilities

Same product: fleet
Same vendor: fleetdm
Same weakness: CWE-287

V. Comments for CVE-2022-23600

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