A family of processor architectures used in many embedded applications, network and other appliances, and almost all smartphones.
5
votes
1answer
149 views
Hardware enforced DEP on different CPUs
Are there any differences how hardware DEP is implemented on CPUs from different manufacturers (Intel, AMD, nVidia, Texas,...)?
Are there any significant differences how hardware DEP works on x86 ...
5
votes
1answer
170 views
ROP Exploitation on ARM
I was wondering about since, Ret2Libc attack doesn't works on ARM, and we have to rely on ROP for that. How different is ROP on ARM from the x86 architecture.
Are there any tools, such as mona.py ...
3
votes
1answer
75 views
What are security implications of enabling access to performance counters on ARM Cortex A9?
On an ARM Cortex A9 core, privileged instructions have to be executed so that unprivileged code can use performance counters. For instance with this GCC inline code, which would have to be run in a ...
2
votes
2answers
376 views
Stack Overflow on ARM : Null Bytes Issue
I am trying to follow the research paper by Tiger Security for ARM Exploitation : Link
For the simple stack overflow exploitation, the code is :
#include <stdio.h>
#include <string.h>
...
