[NEWS] SQL Injection in CREATE_SCN_CHANGE_SET Procedure

From: SecuriTeam (support_at_securiteam.com)
Date: 04/21/05

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    Date: 21 Apr 2005 16:17:28 +0200
    
    

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      SQL Injection in CREATE_SCN_CHANGE_SET Procedure
    ------------------------------------------------------------------------

    SUMMARY

    The CHANGE_SET_NAME parameter of the standard procedure
    SYS.DBMS_CDC_IPUBLISH.CREATE_SCN_CHANGE_SET is vulnerable to SQL
    injection. This procedure executes with privileges of the SYS user; by
    default, PUBLIC has EXECUTE privilege.

    DETAILS

    Vulnerable Systems:
     * Oracle Database Server version 10g

    Impact:
    Any low privileged database user can execute functions with DBA
    privileges. Users with privileges to create or modify a function can
    inject a user-defined function in the vulnerable procedure and thus
    execute SQL statements with DBA privileges.

    Workaround:
    Revoke Execute privilege on DBMS_CDC_IPUBLISH package.

    Vendor Status:
    Vendor was contacted and a patch was released.

    Fix:
    Apply Oracle Critical Patch Update April 2005 available at:
    <http://metalink.oracle.com> http://metalink.oracle.com,
    <http://www.oracle.com/technology/deploy/security/pdf/cpuapr2005.pdf>
    http://www.oracle.com/technology/deploy/security/pdf/cpuapr2005.pdf

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:shatter@appsecinc.com> Team
    SHATTER.
    The original article can be found at:
    <http://www.appsecinc.com/resources/alerts/oracle/2005-05.html>
    http://www.appsecinc.com/resources/alerts/oracle/2005-05.html

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