漏洞信息
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Vulnerability Title
Samba: samba ad ldap compare filter injection and trusted-request confusion disclose protected attributes
Vulnerability Description
A security flaw combining LDAP filter injection and improper authorization checks was found in Samba Active Directory Domain Controller (AD DC). When processing LDAP Compare requests, Samba fails to properly validate user-supplied attribute names and executes the resulting internal database search in a trusted context, bypassing normal Access Control List (ACL) enforcement. An authenticated low-privilege domain user can exploit these flaws to disclose confidential Active Directory attributes that would normally be inaccessible. The disclosed information may be leveraged to derive sensitive authentication material, potentially leading to privilege escalation and complete domain compromise. For example: In deployments configured with Group Managed Service Accounts (gMSAs), an attacker can extract the "msKds-RootKeyData" attribute and derive gMSA passwords offline, potentially leading to complete domain compromise if privileged gMSAs are present.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability Type
LDAP查询中使用的特殊元素转义处理不恰当(LDAP注入)
Vulnerability Title
samba 输入验证错误漏洞
Vulnerability Description
Samba是Samba组织开源的一个适用于 Linux 和 Unix 的标准 Windows 互操作性程序套件。 samba存在输入验证错误漏洞,该漏洞源于结合LDAP filter注入和授权检查不当,导致绕过ACL,泄露机密Active Directory属性,可能导致权限提升和完全域控。
CVSS Information
N/A
Vulnerability Type
N/A