[Bug 1803441] Re: BASH_CMDS is writable in restricted bash shells (fixed upstream, need to backport patch)

[Riccardo Schirone]

Is this about https://lists.gnu.org/archive/html/bug-
bash/2017-03/msg00077.html ? Or about https://lists.gnu.org/archive/html
/bug-bash/2017-12/msg00065.html ?

Apparently, both are very old flaws.

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Title:
  BASH_CMDS is writable in restricted bash shells (fixed upstream, need
  to backport patch)

Status in bash package in Ubuntu:
  New

Bug description:
  In 14.04 LTS, the BASH_CMDS variable is writable in rbash. This allows
  a trivial escape from rbash to run arbitrary shell commands.

  This issue is fixed upstream:
  http://git.savannah.gnu.org/cgit/bash.git/tree/CHANGES?h=bash-4.4-testing#n65

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