September 2003
Intermediate to advanced
672 pages
16h 15m
German
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Chapter 4. Format-String-Schwachstellen – Gegenmaßnahmen
In diesem Kapitel sollen verschiedene Techniken sowie deren konkrete Implementationen und Umsetzungen besprochen werden, die dazu eingesetzt werden können, das Auftreten sowie die gezielte Ausnutzung der bereits beschriebenen Format-String-Schwachstellen erfolgreich zu unterbinden bzw. deren Auswirkungen so weit wie möglich einzudämmen.
Gegenmaßnahmen – Verschiedene Ansätze
Die Gegenmaßnahmen hinsichtlich der Format-String-Problematik lassen sich ebenfalls wie die bereits beschriebenen Buffer-Overflow-Gegenmaßnahmen (siehe Kapitel 2) in zwei verschiedene Kategorien unterteilen. Bei der ersten Ansatzkategorie handelt es sich dabei um das Bestreben, die verheerenden Auswirkungen, welche Software-Schwachstellen ...
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