Collaborate Disseminate
I’m trying to overflow and inject code into a buffer in the following program
// vulnerable.c
#include <stdlib.h>
#include <stdio.h>
int main(int argc, char *argv[]) {
char buf[1024];
gets(buf);… Continue reading Buffer Overflow segfault even with executable stack
I’m trying to overflow and inject code into a buffer in the following program
// vulnerable.c
#include <stdlib.h>
#include <stdio.h>
int main(int argc, char *argv[]) {
char buf[1024];
gets(buf);… Continue reading Buffer Overflow segfault even with executable stack
In my company, we have a firewall as an edge device to the internet. Behind this central firewall we have management network. We now have to put a router in front of central firewall, as part of some services from ISP.
This router’s interf… Continue reading Management network access from internet-accessible router
I have implemented a signal handler to trap the Segmentation fault and want to ignore it. I can increment the value of IP register and proceed but the problem is I can not find the length of the instruction , so I have no ide… Continue reading how to ignore Segmentaion fault and continue to next instruction?
I am currently segmenting my home network into several networks and zones due to the fact that my cheap router keeps all devices (private, smart home, entertainment) in one network (without a guest network feature and client … Continue reading Segmenting Network: Zone location of a multipurpose NAS
Another day, another major round of funding for a security startup, underscoring just how active the area of IT protection is right now — both in terms of business need and as an investment opportunity. Today, Illumio — a startup that provides data center and cloud security services, monitoring and protecting individual applications and processes within an enterprise network by… Read More Continue reading Illumio, a specialist in segmented security, raises $125M at $1b+ valuation
I want to control the function pointer in the bss segment, I have a buffer for that purpose but can’t get to place it before the function pointer, is that a security mechanism alike the stack-protector that I have to disable … Continue reading bss buffer overflow