The Query Compiler, Rewrite, and Optimizer component in IBM DB2 9.1 before FP8, 9.5 before FP5, and 9.7 before FP1 does not enforce privilege requirements for access to a (1) sequence or (2) global-variable object, which allows remote authenticated users to make use of data via unspecified vectors.
http://www.vupen.com/english/advisories/2009/3520
http://www.securityfocus.com/bid/37332
http://www-01.ibm.com/support/docview.wss?uid=swg21412902
http://www-01.ibm.com/support/docview.wss?uid=swg21293566
http://www-01.ibm.com/support/docview.wss?uid=swg1IC64852
http://www-01.ibm.com/support/docview.wss?uid=swg1IC62583