[NEWS] SQL Injection in ALTER_MANUALLOG_CHANGE_SOURCE Procedure

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  SQL Injection in ALTER_MANUALLOG_CHANGE_SOURCE Procedure
------------------------------------------------------------------------


SUMMARY

The CHANGE_SOURCE_NAME parameter of the standard procedure 
SYS.DBMS_CDC_IPUBLISH.ALTER_MANUALLOG_CHANGE_SOURCE is vulnerable to SQL 
injection. This package 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 the 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:[email protected]> Team 
SHATTER.
The original article can be found at:  
<http://www.appsecinc.com/resources/alerts/oracle/2005-04.html> 
http://www.appsecinc.com/resources/alerts/oracle/2005-04.html



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