[Bug 1923262] Re: backup /etc/passwd- file should be mode 0600

[Seth Arnold]

Hello, this sounds like surprising advice to me -- afterall the
/etc/passwd file is 644. I don't know what would be the point of hiding
this 'backup' file. Does the benchmark give a rationale for this?

Thanks

** Information type changed from Private Security to Public Security

** Changed in: shadow (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1923262

Title:
  backup /etc/passwd- file should be mode 0600

Status in shadow package in Ubuntu:
  Incomplete

Bug description:
  CIS hardening benchmarks (6.1.6) suggest that the /etc/passwd- file
  should be mode 0600 (or more restrictive).

  However, this file is 0644 after it is created when the /etc/passwd
  file is modified. (Ie, a hardening script that creates a hardened
  system for initial use could change this mode, but it will go out of
  compliance the next time a backup file is made.)

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