Vulnerability Information
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Vulnerability Title
OPNsense has an LDAP Injection via Unsanitized Username in Authentication
Vulnerability Description
OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication connector passes the login username directly into an LDAP search filter without calling ldap_escape(). An unauthenticated attacker can inject LDAP filter metacharacters into the username field of the WebGUI login page to enumerate valid LDAP usernames in the configured directory. When the LDAP server configuration includes an Extended Query to restrict login to members of a specific group, the same injection can be used to bypass that group membership restriction and authenticate as any LDAP user whose password is known, regardless of group membership. This vulnerability is fixed in 26.1.6.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
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
Deciso OPNsense 安全漏洞
Vulnerability Description
Deciso OPNsense是荷兰Deciso公司的一套基于FreeBSD的开源防火墙和路由软件。 OPNsense 26.1.6之前版本存在安全漏洞，该漏洞源于LDAP身份验证连接器直接将登录用户名传递到LDAP搜索过滤器而未调用ldap_escape，可能导致未经身份验证的攻击者向WebGUI登录页面的用户名字段注入LDAP过滤器元字符，以枚举配置目录中的有效LDAP用户名，或在配置包含扩展查询以限制登录特定组成员时，绕过该组成员资格限制。
CVSS Information
N/A
Vulnerability Type
N/A