voidsecurity

Cman is a 64 bit statically linked and stripped ELF without NX protection. I used IDA's sigmake to generate libc signatures f...

sandman is a 64 bit ELF without much memory protections $ checksec --file ./sandman RELRO STACK CANARY NX ...

Binary implements a circular linked list to store key:value pair. Each chunk is 32 bytes which looks like below struct node{ ...

Exploitation 4 was a 32 bit ELF without NX protection. The binary implements a custom allocator using sbrk. Each chunk holds a met...

The binary allows to set key:value pair and retrieve them using the key. Values are copied into bss area and key is stored in heap...

The binary makes 2 mmap() calls. One region is RWX into which user supplied shellcode is copied and executed. Flag is copied into ...

Exploitation 1 was a 32 bit ELF without NX protection. The vulnerability is a buffer overflow in stack using echo command during s...