“Using Attack Injection to Discover New Vulnerabilities”

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Nuno Ferreira Neves, João Antunes, Miguel Correia, Paulo Veríssimo, Rui Neves

in Proceedings of the International Conference on Dependable Systems and Networks (DSN), Philadelphia, USA, June 2006., Jun. 2006.

Abstract: Due to our increasing reliance on computer systems, security incidents and their causes are important problems that need to be addressed. To contribute to this objective, the paper describes a new tool for the discovery of security vulnerabilities on network connected servers. The AJECT tool uses a speci?cation of the server?s communication protocol to automatically generate a large number of attacks accordingly to some prede?ned test classes. Then, while it performs these attacks through the network, it monitors the behavior of the server both from a client perspective and inside the target machine. The observation of an incorrect behavior indicates a successful attack and the potential existence of a vulnerability. To demonstrate the usefulness of this approach, a considerable number of experiments were carried out with several IMAP servers. The results show that AJECT can discover several kinds of vulnerabilities, including a previously unknown vulnerability.

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Project(s): Project:AJECT, Project:CRUTIAL

Research line(s): Fault And Intrusion Tolerance in Open Distributed Systems (FIT)

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