Abdul-Aziz Hariri has discovered a vulnerability in Oracle Business Intelligence, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an integer overflow error in the NQSMultiHeap.dll library when allocating memory. This can be exploited to cause a heap-based buffer overflow by sending a TCP packet containing a string with an overly long size to port 9703.

The vulnerability is confirmed in version 10.1.3.2.1 and reported in versions 10.1.3.4.1 and 11.1.1.3.

Solution
Apply fix (please see the vendor's advisory for details).

Provided and/or discovered by
Abdul-Aziz Hariri via Secunia.

Original Advisory
Oracle:
http://www.oracle.com/technetwork/topics/security/cpujuly2011-313328.html#AppendixAS

Other references
Further details available to Secunia VIM customers

Technical Analysis
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers