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Exam GPEN topic 1 question 30 discussion

Actual exam question from GIAC's GPEN
Question #: 30
Topic #: 1
[All GPEN Questions]

How can a non-privileged user on a Unix system determine if shadow passwords are being used?

  • A. Read /etc/password and look for "x" or "II" in the second colon-delimited field
  • B. Read /etc/shadow and look for "x" or "II" in the second colon-delimited field
  • C. Verify that /etc/password has been replaced with /etc/shadow
  • D. Read /etc/shadow and look NULL values In the second comma delimited field
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by devnull at Feb. 20, 2022, 6:03 p.m.

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Omo_Mushin
1 year, 11 months ago
Normally A would be correct - but reading further, there are other arguments that says B is very possible.. https://superuser.com/questions/1391307/how-could-a-hacker-access-the-etc-shadow-file-if-it-is-only-accessible-by-root https://unix.stackexchange.com/questions/90929/why-have-programs-like-su-access-to-etc-shadow
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devnull
2 years, 1 month ago
Selected Answer: A
The correct answer is A. non-privileged users cannot read /etc/shadow.
upvoted 2 times
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