Oracle DISABLE_HIERARCHY_INTERNAL procedure vulnerable to PL/SQL injection

Overview

The Oracle DISABLE_HIERARCHY_INTERNAL procedure is vulnerable to PL/SQL injection. This vulnerability may allow a remote, authenticated attacker to execute arbitrary PL/SQL commands on a vulnerable Oracle installation.

Description

The Oracle DISABLE_HIERARCHY_INTERNAL procedure fails to properly filter user input allowing PL/SQL injection to occur. Note that an attacker must have execute privileges on the XDB.DBMS_XDBZ package to exploit this vulnerability.

Based on research into public information, we believe that this issue is Oracle vuln# DB15 in the October 2006 Oracle CPU. However, there is not sufficient information to authoritatively relate Oracle vulnerability information to information provided by other parties.

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Impact

A remote attacker may be able to execute arbitrary PL/SQL queries on a server, possibly with elevated privileges. As a result, attackers may be able to view or modify the contents of an Oracle database.

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Solution

Apply patches
This issue is addressed in the Oracle Critical Patch Update for October 2006.

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Vendor Information

318764

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Updated: October 24, 2006

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Refer to http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpuoct2006.html.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23318764 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpuoct2006.html&gt;
• <http://www.databasesecurity.com/oracle/OracleOct2006-CPU-Analysis.pdf&gt;
• <http://www.red-database-security.com/advisory/oracle_sql_injection_dbms_xdbz0.html&gt;

Acknowledgements

This vulnerability was reported by in the Oracle Critical Patch Update for October 2006.

This document was written by Jeff Gennari based on information from Oracle and Alexander Kornbrust of Red-Database-Security

Other Information

CVE IDs:	CVE-2006-5341
Severity Metric:	3.92 Date Public: