SY0-701 · Question #46
Which of the following vulnerabilities is exploited when an attacker overwrites a register with a malicious address?
The correct answer is C. Buffer overflow. A buffer overflow is a vulnerability that occurs when an application writes more data to a memory buffer than it can hold, causing the excess data to overwrite adjacent memory locations. A register is a small storage area in the CPU that holds temporary data or instructions. An…
Question
Which of the following vulnerabilities is exploited when an attacker overwrites a register with a malicious address?
Options
- AVM escape
- BSQL injection
- CBuffer overflow
- DRace condition
How the community answered
(30 responses)- B3% (1)
- C93% (28)
- D3% (1)
Explanation
A buffer overflow is a vulnerability that occurs when an application writes more data to a memory buffer than it can hold, causing the excess data to overwrite adjacent memory locations. A register is a small storage area in the CPU that holds temporary data or instructions. An attacker can exploit a buffer overflow to overwrite a register with a malicious address that points to a shellcode, which is a piece of code that gives the attacker control over the system. By doing so, the attacker can bypass the normal execution flow of the application and execute arbitrary
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