pwnmedium

79 - Рюкзак (Ruckzak)

duckerz

Task: C++ binary with virtual functions and heap buffer overflow in Edit(). Solution: Overflow from one Toy object to overwrite adjacent Toy vtable pointer with partial overwrite (1 byte) to point to Flag class vtable, triggering system("cat flag") on Display().

$ ls tags/ techniques/
type_confusionheap_overflowcppvtablepartial_overwritepie_bypass
vtable_pointer_overwritetype_confusion_attackpartial_overwrite_pie_bypass
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