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SQL Injection in ALTER_MANUALLOG_CHANGE_SOURCE Procedure
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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:shatter@appsecinc.com> 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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