Which of the following should the analyst report after viewing this Information?

A security analyst is running a tool against an executable of an unknown source.

The Input supplied by the tool to the executable program and the output from the executable are shown below:

Which of the following should the analyst report after viewing this Information?
A . A dynamic library that is needed by the executable a missing
B . Input can be crafted to trigger an Infection attack in the executable
C . The toot caused a buffer overflow in the executable’s memory
D . The executable attempted to execute a malicious command

View Answer

Answer: C

Explanation:

A buffer overflow is a type of attack that exploits a vulnerability in an application or program that does not properly check the size or boundaries of an input. A buffer overflow occurs when an attacker supplies more data than the buffer can hold, causing the excess data to overwrite adjacent memory locations. This can result in unpredictable behavior, such as crashes, errors, data corruption, or execution of malicious code2. The tool that the analyst ran against the executable supplied an input that was too long for the buffer allocated by the executable. This caused a buffer overflow in the executable’s memory, as indicated by the error message “Segmentation fault (core dumped)”.

Reference: 2 Buffer Overflow – OWASP