Improper search_path protection in PostgreSQL Anonymizer 2.5 allows any user with create privilege to gain superuser privileges

PostgreSQL Anonymizer contains a vulnerability that allows a user to gain superuser privileges by creating a temporary view based on a function containing malicious code. When the anon.get_tablesample_ratio function is then called, the malicious code is executed with superuser privileges. This privilege elevation can be exploited by users having the CREATE privilege in PostgreSQL 15 and later. The risk is higher with PostgreSQL 14 or with instances upgraded from PostgreSQL 14 or a prior version because the creation permission on the public schema is granted by default. The problem is resolved in PostgreSQL Anonymizer 3.0.1 and further versions

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

对搜索路径元素未加控制

PostgreSQL Anonymizer 安全漏洞

PostgreSQL Anonymizer是法国DALIBO开源的一个用于屏蔽或替换 PostgreSQL 数据库中的个人身份信息 (PII) 或商业敏感数据的扩展软件。 PostgreSQL Anonymizer存在安全漏洞，该漏洞源于允许用户创建基于包含恶意代码函数的临时视图，可能导致在调用anon.get_tablesample_ratio函数时以超级用户权限执行恶意代码。

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