[NEWS] Oracle SQL Injection Possible Via CTXSYS.DRILOAD

From: SecuriTeam (support_at_securiteam.com)
Date: 09/12/04

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Date: 12 Sep 2004 10:46:03 +0200

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      Oracle SQL Injection Possible Via CTXSYS.DRILOAD
    ------------------------------------------------------------------------

    SUMMARY

    An SQL injection vulnerability was found in the <http://www.oracle.com>
    Oracle Database Server through the abuse of parameters in the DRILOAD
    package.

    DETAILS

    Vulnerable Systems:
     * Oracle Database Server 8i (All platforms)
     * Oracle Database Server 9i (All platforms)

    Immune Systems:
     * Oracle Database Server 10g

    The vulnerability allows any valid database user to gain DBA rights over
    the database if CTXSYS is installed, by executing the DRILOAD package
    using a specially crafted parameter passed to it.

    Workaround
    The following workarounds are possible for vulnerable versions of Oracle:

     * Drop the CTXSYS user if it's not needed.
     * Revoke public grant from CTXSYS.DRILOAD and limit access to it by
    allowing trusted users only.

    Patch Availability:
    Please see MetaLink Document ID 281189.1 for the patch download procedures
    and for the Patch Availability Matrix for this Oracle Security Alert which
    can be found at:
     
    <http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=281189.1> http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=281189.1

    Disclosure Timeline
    5 Januar 2004 Oracle was informed
    6 Januar 2004 Bug confirmed
    31 August 2004 Oracle published alert 68

    ADDITIONAL INFORMATION

    The information has been provided by
    <mailto:ak@red-database-security.com> Kornbrust, Alexander - Red Database
    Security.
    The original article can be found at:
    <http://www.red-database-security.com/advisory/advisory_20040903_1.htm>
    http://www.red-database-security.com/advisory/advisory_20040903_1.htm

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