Protection Errors in Operating Systems: Allocation/Deallocation Residuals

A common security problem is the residual--data or access capability left after the completion of a process and not intended for use outside the context of that process. If the residual becomes accessible to another process, a security error may result. A major source of such residuals is improper o...

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Bibliographische Detailangaben
Hauptverfasser:	Hollingworth, Dennis, Bisbey, II, Richard
Format:	Report
Sprache:	eng
Schlagworte:	Computer Hardware Computer information security Computer privacy Computer security Computer Systems Management and Standards COMPUTERS DATA PROCESSING Non-radio Communications POLICIES PROTECTION Protection evaluation Protection policy Residual data SECURE COMMUNICATIONS SECURITY SYSTEMS ANALYSIS
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Beschreibung
Zusammenfassung:	A common security problem is the residual--data or access capability left after the completion of a process and not intended for use outside the context of that process. If the residual becomes accessible to another process, a security error may result. A major source of such residuals is improper or incomplete allocation/deallocation processing. The various types of allocation/ deallocation residuals are discussed in terms of their characteristics and the manner in which they occur, and a semiautomatable search strategy for detecting sources of these residuals is presented.