Describing Data Format Exploits Using Bitstream Segment Graphs

Hartle, Michael; Schumann, Daniel; Botchak, Arsene; Tews, Erik; Mühlhäuser, Max

doi:10.1109/iccgi.2008.21

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2008

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“…It allows to document the composition of data and thus serves well during reverse-engineering of instances of unpublished data formats used in protocols and file formats. A practical example is the reverseengineering of exploits in IT Security using BSGs (Hartle et al, 2008) in order to understand its mechanisms and patch vulnerable implementations.…”

Section: Discussionmentioning

confidence: 99%

Using Bitstream Segment Graphs for Complete Description of Data Format Instances

Hartle¹,

Möller²,

Travar³

et al. 2008

Proceedings of the Third International Conference on Software and Data Technologies Special Session on Applications in Banking

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Manual development of format-compliant software components is complex, time-consuming and thus errorprone and expensive, as data formats are defined in semi-formal, textual specifications for human engineers. Existing approaches on a formal description of data formats remain at high-level descriptions and fail to describe phenomena such as compression or fragmentation that are especially common in Multimedia file formats. As a step-stone towards the description of data formats as a whole, this paper presents Bitstream Segment Graphs as a complete model on data format instances and presents an example PNG where a complete model on data format instances is required.

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Section: Discussionmentioning

confidence: 99%