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GAQM Exam CPEH-001 Topic 3 Question 107 Discussion

Actual exam question for GAQM's CPEH-001 exam
Question #: 107
Topic #: 3
[All CPEH-001 Questions]

What file system vulnerability does the following command take advantage of?

type c:\anyfile.exe > c:\winnt\system32\calc.exe:anyfile.exe

Show Suggested Answer Hide Answer
Suggested Answer: A

Canaries or canary words are known values that are placed between a buffer and control data on the stack to monitor buffer overflows. When the buffer overflows, it will clobber the canary, making the overflow evident. This is a reference to the historic practice of using canaries in coal mines, since they would be affected by toxic gases earlier than the miners, thus providing a biological warning system.


Contribute your Thoughts:

Precious
20 days ago
Non-executing stack? Gotta keep those pesky overflows off my turf.
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Fletcher
3 days ago
Format checking
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Fletcher
8 days ago
Canary
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Dong
1 months ago
Format checking? Sounds like a job for the grammar police!
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Bettyann
17 days ago
B) Hex editing
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Fletcher
17 days ago
C) Format checking
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Fairy
18 days ago
A) Canary
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Catarina
19 days ago
B) Hex editing
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Latia
21 days ago
A) Canary
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Beatriz
1 months ago
I'm not sure, but I think it might be C) Format checking.
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Daryl
1 months ago
I agree with Launa, Canary is used for defense against buffer overflow attacks.
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Launa
1 months ago
I think the answer is A) Canary.
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Gertude
2 months ago
Hex editing? I'd rather use a pen and paper to defend against buffer overflows.
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Hermila
2 months ago
Canary? More like a guard dog for my stack! A+ in my book.
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Dominga
25 days ago
D) Non-executing stack
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Cassi
29 days ago
A) Canary
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