2013 | OriginalPaper | Buchkapitel
Defending against Heap Overflow by Using Randomization in Nested Virtual Clusters
verfasst von : Chee Meng Tey, Debin Gao
Erschienen in: Information and Communications Security
Verlag: Springer International Publishing
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Heap based buffer overflows are a dangerous class of vulnerability. One countermeasure is randomizing the location of heap memory blocks. Existing techniques segregate the address space into clusters, each of which is used exclusively for one block size. This approach requires a large amount of address space reservation, and results in lower location randomization for larger blocks.