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Software Security Week 5 Project 3 Quiz Answer

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Software Security Week 5 Project 3 Quiz Answer


Also visit this link:  Software Security Week 5 Project 3


 

Software Security Week 5 Project 3 Quiz Answer

Project 3 quiz

Question 1) Does fuzz.py identify a crash in wisdom-alt? In how many iterations?

  • Identifies a crash, 44 iterations
  • Does not identify a crash
  • Identifies a crash, 103 iterations
  • Identifies a crash, one iteration

 

Question 2) Does fuzz.py identify a crash in wisdom-alt2? In how many iterations?

  • Does not identify a crash
  • Identifies a crash, 133 iterations
  • Identifies a crash, 800 iterations
  • Identifies a crash, 1 iteration

 

Question 3) Name one symbolic variable that was set in the path condition identified by KLEE that crashes wisdom-alt2.

Enter answer here

  • buf

 

Question 4) Name another symbolic variable set in the path condition identified by KLEE that crashes wisdom-alt2.

Enter answer here

  • r

 

Question 5) What was the data content of the buf object?

  • ‘x00x00x00x00x00x00x00x00x00x00xFFx00x00x00x00x00x00x00x00xAA’
  • ‘x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00’
  • ‘xFFx00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00x00’
  • ‘x00x00x00xFFx00x00x00x00x00x00xBBx00x00x00x00x00x00x00x00xEE’

 

Question 6) After executing the symbolic maze, what was the data value of the ‘program’ object? (Hint: it will be a string of the lowercase letters s, d, w, and a.)

Enter answer here

  • sddwddddsddw

 

Question 7) If you run the symbolic maze program so that it finds all solutions, not just one, how many are there?

Enter answer here

  • 309

 

Question 8) There was a bug in the maze program that allows the player to walk through walls. What line in maze-sym.c is the bug on? (If there are multiple lines, pick one of them.)

Enter answer here

  • 113