PEN-200 Public Exploits Practice Question
When an exploit script uses hardcoded memory addresses, why is it likely to fail on a modern target system?
⚠ Common exam trap
Candidates often blindly copy and paste memory addresses from old exploit tutorials, failing to realize that ASLR renders those fixed addresses obsolete and incorrect on any modern operating system.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Address Space Layout Randomization (ASLR) makes addresses dynamic.
Modern systems utilize Address Space Layout Randomization (ASLR), which randomizes the memory addresses of key system components and loaded libraries every time a program executes. Since hardcoded memory addresses in old or poorly written exploits rely on fixed locations, they will almost certainly point to invalid or incorrect memory areas on a modern system, causing the program to crash instead of executing the desired payload.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The hardcoded addresses are too long for modern systems.
Why it's wrong here
The length of memory addresses is not the issue; it is the fact that they are static. Modern systems use randomization, so even if the address length were correct, the actual memory location would have changed, rendering the hardcoded value invalid for the current execution cycle.
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Modern systems use 64-bit addresses instead of 32-bit.
Why it's wrong here
While 64-bit architectures are standard, the primary reason for failure is the randomization introduced by ASLR. Even if you accounted for the bit-width, the randomized nature of memory offsets in modern OS environments means static addresses will consistently fail regardless of the architecture's bit size.
- ✓
Address Space Layout Randomization (ASLR) makes addresses dynamic.
Why this is correct
ASLR is a security feature that changes memory locations, invalidating static references. Because the addresses are no longer fixed, any exploit relying on hardcoded values will fail, as it will be trying to access memory that does not contain the code it expects to execute.
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The exploit code is missing the necessary buffer size.
Why it's wrong here
Buffer size is a separate issue from memory address validity. While buffer overflows rely on managing memory, the specific failure caused by hardcoded addresses is due to ASLR, not the size of the buffer. Focusing on buffer size misses the core reason for the crash.
About these practice questions
This PEN-200 question is part of Courseiva's 285-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official OffSec exam blueprint
This PEN-200 practice question is part of Courseiva's free OffSec certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PEN-200 exam.