Oracle Database Server 'CREATE ANY DIRECTORY'特权提升漏洞

BUGTRAQ ID: 31738 CNCAN ID：CNCAN-2008101405 Oracle Database Server是一款大型企业级的数据库服务程序。 Oracle Database Server 'CREATE ANY DIRECTORY'用户特权相关处理存在问题，远程攻击者可以利用漏洞获得SYSDBA特权权限。 通过UTLDIR使用已知两进制密码文件可直接覆盖隐藏的两进制文件，而使拥有CREATE ANY DIRECTORY低权限的用户获得SYSDBA特权。 目前如下链接进行了一定程度的分析目前不能连接：...

CREATE ANY DIRECTORY to SYSDBA

I have found a serious privilege escalation in the Oracle DB that raises a lower privileged user with CREATE ANY DIRECTORY to that of SYSDBA by directly overwriting the hidden binary password file with a known binary password file via UTLDIR. Full discussion of how to defend and respond to this a...