{"title":"应用流量敏感的equals来验证MINIX授权检查的位置","authors":"T. Fraser, Nick L. Petroni, W. Arbaugh","doi":"10.1145/1134744.1134747","DOIUrl":null,"url":null,"abstract":"We present the first use of flow-sensitive CQUAL to verify the placement of operating system authorization checks. Our analysis of MINIX 3 system servers and discovery of a non-exploitable Time-Of-Check/Time-Of-Use bug demonstrate the effectiveness of flow sensitive CQUAL and its advantage over earlier flow-insensitive versions. We also identify and suggest alternatives to current CQUAL usability features that encourage analysts to make omissions that cause the otherwise sound tool to produce false-negative results.","PeriodicalId":119000,"journal":{"name":"ACM Workshop on Programming Languages and Analysis for Security","volume":"97 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":"{\"title\":\"Applying flow-sensitive CQUAL to verify MINIX authorization check placement\",\"authors\":\"T. Fraser, Nick L. Petroni, W. Arbaugh\",\"doi\":\"10.1145/1134744.1134747\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We present the first use of flow-sensitive CQUAL to verify the placement of operating system authorization checks. Our analysis of MINIX 3 system servers and discovery of a non-exploitable Time-Of-Check/Time-Of-Use bug demonstrate the effectiveness of flow sensitive CQUAL and its advantage over earlier flow-insensitive versions. We also identify and suggest alternatives to current CQUAL usability features that encourage analysts to make omissions that cause the otherwise sound tool to produce false-negative results.\",\"PeriodicalId\":119000,\"journal\":{\"name\":\"ACM Workshop on Programming Languages and Analysis for Security\",\"volume\":\"97 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2006-06-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"11\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ACM Workshop on Programming Languages and Analysis for Security\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1145/1134744.1134747\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACM Workshop on Programming Languages and Analysis for Security","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1145/1134744.1134747","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Applying flow-sensitive CQUAL to verify MINIX authorization check placement
We present the first use of flow-sensitive CQUAL to verify the placement of operating system authorization checks. Our analysis of MINIX 3 system servers and discovery of a non-exploitable Time-Of-Check/Time-Of-Use bug demonstrate the effectiveness of flow sensitive CQUAL and its advantage over earlier flow-insensitive versions. We also identify and suggest alternatives to current CQUAL usability features that encourage analysts to make omissions that cause the otherwise sound tool to produce false-negative results.
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