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Modify Data via Inline Views
From: ak () red-database-security com
Date: 23 Oct 2006 16:45:14 -0000

Name    Modify Data via Inline Views (8107967) [DB09]
Systems Affected        Oracle 9i - 10g Rel. 2
Severity        High Risk
Category        Unauthorized Access
Vendor URL      http://www.oracle.com/
Author  Alexander Kornbrust (ak at red-database-security.com)
Advisory        18 October 2006 (V 1.00)
Advisory    http://www.red-database-security.com/advisory/oracle_modify_data_via_inline_views.html

Details
#######
Updates, deletes and inserts are possible with least-privilege via inline views. A user with create session only can 
insert/update/delete data (e.g. the dual table). This bug is similar but not identical to the bug which was fixed in 
the July 2006 CPU (Modify Data via views). No workarounds available.


Samples
#######
delete from (specially crafted inline view)
insert into (specially crafted inline view)
update (specially crafted inline view)


Patch Information
#################
Apply the patches for Oracle CPU October 2006.


History
#######
24-jul-2006 Oracle secalert was informed about a variant of the create view bug.
18-oct-2006 Oracle published CPU October 2006 [DB09]
18-oct-2006 Advisory published


Additional Information
######################
An analysis of the Oracle CPU Oct 2006 is available here 
http://www.red-database-security.com/advisory/oracle_cpu_oct_2006.html


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