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Covering risk assessment, low-level attacks and defenses. Questions here.
Due on Canvas by Wednesday, September 25th at 11:59pm.
In this assignment you'll learn about binary-level and OS-level
vulnerabilities within a buggy Linux program, and exploit them for
fun and profit academic credit within a virtual machine.
Available now: assignment instructions (PDF), virtual machine instructions. BCECHO source code.
BCMTA source code:
Version | C source code | Makefile | Patch from previous version | Security advisory |
---|---|---|---|---|
2.0 | bcmta.c | Makefile | N/A | BCSA-016 |
2.1 | bcmta.c | Makefile | bcmta-v2.1.patch | BCSA-017 |
2.2 | bcmta.c | Makefile | bcmta-v2.2.patch | BCSA-018 |
2.3 | bcmta.c | Makefile | bcmta-v2.3.patch | BCSA-019 |
2.4 | bcmta.c | Makefile | bcmta-v2.4.patch | TBA |
Commands for downloading a new version of BCMTA into your VM and recompiling (shown with version 2.4):
% cd /src % sudo rm -f Makefile bcecho.c bcmta.c bcmta % sudo wget http://www-users.cselabs.umn.edu/classes/Fall-2019/csci5271/ha1/v2.4/{bcmta.c,bcecho.c,Makefile} % sudo make all bcecho % sudo make install % bcmta -v
Covering defensive programming and OS security. Questions here, C code for question 1. Due on the Canvas by Wednesday, October 16th at 11:59pm.
Covering cryptography. Questions here. Due on the Canvas by Wednesday, November 6th at 11:59pm. (Corrected 10/30: the maximum number of students in a group is 3, the same as other exercise sets.)
In this assignment you'll learn about network-level and web software vulnerabilities within a buggy web server, and exploit them within a virtual machine to steal "secret" information. Due by 11:59pm on Friday, November 22nd, on Canvas.
Available now: assignment instructions (PDF), virtual machine instructions.
Covering random numbers, web security, and networks. Questions here. Due on Canvas by Wednesday, November 20th at 11:59pm.
Covering malware, DoS, anonymity systems, and voting. Questions here. Due on Canvas by Friday, December 6th at 11:59pm.