Carving of Bitmap Files from Digital Evidences by Contiguous File Filtering

Chelliah, Balan; Vidyadharan, Divya S.; Shabana, P.; Thomas, Kenneth L.

doi:10.1007/978-3-642-34135-9_24

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2017

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“…Apart from leveraging program logic, file carving can be used to extract images from broken file systems [11,12,23]. The first step of file carving is locating the file signatures and metadata, and such information is not available in the GPU case.…”

Section: Related Workmentioning

confidence: 99%

Vulnerable GPU Memory Management: Towards Recovering Raw Data from GPU

Zhou

Diao

Liu

et al. 2017

Proceedings on Privacy Enhancing Technologies

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According to previous reports, information could be leaked from GPU memory; however, the security implications of such a threat were mostly overlooked, because only limited information could be indirectly extracted through side-channel attacks. In this paper, we propose a novel algorithm for recovering raw data directly from the GPU memory residues of many popular applications such as Google Chrome and Adobe PDF reader. Our algorithm enables harvesting highly sensitive information including credit card numbers and email contents from GPU memory residues. Evaluation results also indicate that nearly all GPU-accelerated applications are vulnerable to such attacks, and adversaries can launch attacks without requiring any special privileges both on traditional multi-user operating systems, and emerging cloud computing scenarios.

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Section: Related Workmentioning

confidence: 99%