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政大機構典藏 > 商學院 > 資訊管理學系 > 會議論文 > Item 140.119/78009

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/78009

Title:	Patching vulnerabilities with sanitization synthesis
Authors:	Yu, Fang;Alkhalaf, Muath;Bultan, Tevfik 郁方
Contributors:	資訊管理學系
Keywords:	Sanitization Synthesis;String Analysis;Automata
Date:	2011-05
Issue Date:	2015-08-27 17:34:57 (UTC+8)
Abstract:	We present automata-based static string analysis techniques that automatically generate sanitization statements for patching vulnerable web applications. Our approach consists of three phases: Given an attack pattern we first conduct a vulnerability analysis to identify if strings that match the attack pattern can reach the security-sensitive functions. Next, we compute vulnerability signatures that characterize all input strings that can exploit the discovered vulnerability. Given the vulnerability signatures, we then construct sanitization statements that 1) check if a given input matches the vulnerability signature and 2) modify the input in a minimal way so that the modified input does not match the vulnerability signature. Our approach is capable of generating relational vulnerability signatures (and corresponding sanitization statements) for vulnerabilities that are due to more than one input.
Relation:	ICSE `11 Proceedings of the 33rd International Conference on Software Engineering,251-260
Data Type:	conference
DOI 連結:	http://dx.doi.org/10.1145/1985793.1985828
DOI:	10.1145/1985793.1985828
Appears in Collections:	[資訊管理學系] 會議論文

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