一、 漏洞 CVE-2025-27414 基础信息
漏洞信息
                                        # MinIO SFTP 认证绕过由于不正当地信任 SSH 密钥

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漏洞标题
MinIO SFTP authentication bypass due to improperly trusted SSH key
来源：美国国家漏洞数据库 NVD
漏洞描述信息
MinIO is a high performance object storage. Starting in RELEASE.2024-06-06T09-36-42Z and prior to RELEASE.2025-02-28T09-55-16Z, a bug in evaluating the trust of the SSH key used in an SFTP connection to MinIO allows authentication bypass and unauthorized data access. On a MinIO server with SFTP access configured and using LDAP as an external identity provider, MinIO supports SSH key based authentication for SFTP connections when the user has the `sshPublicKey` attribute set in their LDAP server. The server trusts the client's key only when the public key is the same as the `sshPublicKey` attribute. Due to the bug, when the user has no `sshPublicKey` property in LDAP, the server ends up trusting the key allowing the client to perform any FTP operations allowed by the MinIO access policies associated with the LDAP user (or any of their groups). Three requirements must be met in order to exploit the vulnerability. First, the MinIO server must be configured to allow SFTP access and use LDAP as an external identity provider. Second, the attacker must have knowledge of an LDAP username that does not have the `sshPublicKey` property set. Third, such an LDAP username or one of their groups must also have some MinIO access policy configured. When this bug is successfully exploited, the attacker can perform any FTP operations (i.e. reading, writing, deleting and listing objects) allowed by the access policy associated with the LDAP user account (and their groups). Version 1.2.0 fixes the issue.
来源：美国国家漏洞数据库 NVD
CVSS信息
N/A
来源：美国国家漏洞数据库 NVD
漏洞类别
认证机制不恰当
来源：美国国家漏洞数据库 NVD
漏洞标题
MinIO 授权问题漏洞
来源：中国国家信息安全漏洞库 CNNVD
漏洞描述信息
MinIO是美国MinIO公司的一款开源的对象存储服务器。该产品支持构建用于机器学习、分析和应用程序数据工作负载的基础架构。 MinIO 存在授权问题漏洞，该漏洞源于SSH密钥信任评估错误，可能导致认证绕过和未授权数据访问。
来源：中国国家信息安全漏洞库 CNNVD
CVSS信息
N/A
来源：中国国家信息安全漏洞库 CNNVD
漏洞类别
授权问题
来源：中国国家信息安全漏洞库 CNNVD
二、漏洞 CVE-2025-27414 的公开POC
# POC 描述 源链接 神龙链接
三、漏洞 CVE-2025-27414 的情报信息
四、漏洞 CVE-2025-27414 的评论

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