Team SHATTER Security Advisory - The PL/SQL package DBMS_CDC_PUBLISH owned by SYS has an instance of SQL Injection in the ALTER_AUTOLOG_CHANGE_SOURCE procedure. A malicious user can call the vulnerable procedure of this package with specially crafted parameters and execute SQL statements with the elevated privileges of the SYS user. Any Oracle database user with EXECUTE privilege on the package SYS.DBMS_CDC_PUBLISH can exploit this vulnerability. By default, users granted EXECUTE_CATALOG_ROLE have the required privilege. Exploitation of this vulnerability allows an attacker to execute SQL commands with SYS privileges.
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