5
votes
1answer
469 views

“Hello World” example of a Buffer Overflow attack in many programming languages

I'm looking for a very simple application that has an intentional Buffer Overflow embedded in it. I'm assuming this possible in systems where DEP and ASLR are not being used Ideally (and if ...
1
vote
2answers
102 views

Auditing EXEs to ensure buffer overflow protections are in place? (such as SEHOP, ASLR, and DEP)

According to this answer, it's possible to compile a GCC-based application without certain buffer overflow techniques. Perhaps this is even possible with Visual Studio. How can I audit a given EXE ...
1
vote
2answers
69 views

How do I sanitize and check large numbers that will be sent to an unmanaged BigNum library like GMP?

I need to process data that is sent by users in a LargeNumber format. My current choices are BigInteger (.Net Managed Code) IntX (Managed Code, faster for some operations) GMP / MPIR (Unmanaged ...