Race Conditions

Question 1

What is Race Condition?

Answer 1

Software vulnerability where the outcome depends on the timing of events not matching the developers intended order

Question 2

What is Dereferencing?

Answer 2

software vulnerability that occurs when the code attempts to remove the relationship between a pointer and the thing that that pointer was pointing to inside of your memory.

Question 3

What is the Dirty COW?

Answer 3

Popular exploit back in 2016 showcasing a race condition exploitation

Copy
On
Write

Question 4

What is a Time-Of-Check (TOC)?

Answer 4

type of race condition that occurs when an application checks the state of a system resource, such as a file or database record, and then makes a decision based on that check.

Question 5

What is a Time-Of-Use (TOU)?

Answer 5

type of race condition that occurs when an attacker can change the state of a system resource between the time it is checked and the time it is used.

Question 6

What is Time-of-Evaluation (TOE)?

Answer 6

type of race condition that involves the manipulation of data or resources during a time window when a system is making a decision or evaluation

Question 7

What is a Mutex?

Answer 7

Mutually exclusive flag that acts as a gatekeeper to a section of code so that only one thread can be processed at a time

Question 8

What is a Deadlock?

Answer 8

Occurs when a lock remains in place because the process its waiting for is terminated, crashes, or doesn’t finish properly, despite the processing being complete