漏洞信息
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Vulnerability Title
acl < 2.4.0 Symlink Traversal Privilege Escalation via libacl Functions
Vulnerability Description
acl before version 2.4.0 contains a symlink traversal vulnerability in the libacl pathname-based functions acl_get_file(), acl_set_file(), acl_extended_file(), and acl_delete_def_file() that allows local attackers to escalate privileges by replacing any pathname component with a symbolic link. Attackers who control any component of a pathname processed by a privileged caller can redirect ACL read or write operations to arbitrary files or directories, enabling unauthorized manipulation of access control lists and local privilege escalation.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Vulnerability Title
ACL 后置链接漏洞
Vulnerability Description
ACL ACL是ACL组织开源的一款用于实现访问控制与权限管理的安全权限控制框架。 acl 2.4.0之前版本存在后置链接漏洞,该漏洞源于libacl路径名相关函数(如acl_get_file()、acl_set_file()、acl_extended_file()和acl_delete_def_file())中存在符号链接遍历漏洞,允许本地攻击者通过将任何路径名组件替换为符号链接来提升权限,导致未授权操作访问控制列表并实现本地权限提升。
CVSS Information
N/A
Vulnerability Type
N/A