What form of security exploit occurs when an application inputs more variable data into a memory block than it can hold, overwriting nearby execution instructions with malicious payloads? MCQ with Answer and Explanation
What form of security exploit occurs when an application inputs more variable data into a memory block than it can hold, overwriting nearby execution instructions with malicious payloads?
A. Cross-Site Scripting
B. Buffer Overflow
C. SQL Injection
D. Zero-Day Exploit
Answer: Option B
Solution (By JKSSB Mock Tests)
Buffer overflows occur when input variables exceed memory segment boundaries, allowing malicious payloads to alter memory instructions and execute arbitrary commands.
Which software asset operates by intercepting device instructions deep within the kernel layer, allowing an unauthorized user to mask the presence of spyware from antivirus sweeps?
Explanation:
Rootkits modify system kernel code to hide processes, files, and network links, rendering themselves invisible to standard antivirus utilities.
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