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PT0-003 · Question #43

The following file was obtained during reconnaissance: Which of the following is most likely to be successful if a penetration tester achieves non- privileged user access?

The correct answer is A. Exposure of other users' sensitive data. The adduser.conf file shown configures user creation behavior. Notably, DIR_MODE=0777 sets newly created home directories to world-readable and writable, allowing any local user to read, write, or execute files in another user’s home directory. This misconfiguration creates a sev

Submitted by emma.c· Mar 6, 2026Post-exploitation and Lateral Movement

Question

The following file was obtained during reconnaissance:

Which of the following is most likely to be successful if a penetration tester achieves non- privileged user access?

Exhibit

PT0-003 question #43 exhibit

Options

  • AExposure of other users' sensitive data
  • BUnauthorized access to execute binaries via sudo
  • CHijacking the default user login shells
  • DCorrupting the skeleton configuration file

How the community answered

(54 responses)
  • A
    70% (38)
  • B
    9% (5)
  • C
    17% (9)
  • D
    4% (2)

Explanation

The adduser.conf file shown configures user creation behavior. Notably, DIR_MODE=0777 sets newly created home directories to world-readable and writable, allowing any local user to read, write, or execute files in another user’s home directory. This misconfiguration creates a severe security risk, making exposure of other users' sensitive data the most likely successful outcome for a non-privileged user.

Topics

#information disclosure#Linux enumeration#sensitive data

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