{"id":150697,"date":"2006-11-01T00:00:00","date_gmt":"2006-11-01T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/securing-software-by-enforcing-data-flow-integrity\/"},"modified":"2018-10-16T20:07:32","modified_gmt":"2018-10-17T03:07:32","slug":"securing-software-by-enforcing-data-flow-integrity","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/securing-software-by-enforcing-data-flow-integrity\/","title":{"rendered":"Securing software by enforcing data-flow integrity"},"content":{"rendered":"<div class=\"asset-content\">\n<p>Software attacks often subvert the intended data-flow in a vulnerable program. For example, attackers exploit buffer overflows and format string vulnerabilities to write data to unintended locations. We present a simple technique that prevents these attacks by enforcing data-flow integrity. It computes a data-flow graph using static analysis, and it instruments the program to ensure that the flow of data at runtime is allowed by the data-flow graph. We describe an efficient implementation of data-flow integrity enforcement that uses static analysis to reduce the instrumentation overhead. This implementation can be used in practice to detect a broad class of attacks and errors because it can be applied automatically to C and C++ programs without modifications, it does not have false positives, and it has low overhead.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Software attacks often subvert the intended data-flow in a vulnerable program. For example, attackers exploit buffer overflows and format string vulnerabilities to write data to unintended locations. We present a simple technique that prevents these attacks by enforcing data-flow integrity. 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