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• Shell
• Inherit
• Shell
• File write
• File read
• Inherit

Shell

This executable can spawn an interactive system shell.

• Comment

  For this to work the target package (i.e., sl) must not be already installed.

  Sudo

  This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

  Remarks

  If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

  echo 'Dpkg::Pre-Invoke {"/bin/sh;false"}' >/path/to/temp-file
  apt-get -y install -c /path/to/temp-file sl

  SUID

  This function is performed by the privileged user if the executable has the SUID bit set and the right ownership because the effective privileges are not dropped.

  Remarks

  This executable runs commands using the system shell, e.g., via functions like system, so it only works for distributions where the shell does not drop SUID privileges.

  echo 'Dpkg::Pre-Invoke {"/bin/sh;false"}' >/path/to/temp-file
  apt-get -y install -c /path/to/temp-file sl

• Comment

  When the shell exits the update command is actually executed.

  Sudo

  This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

  Remarks

  If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

  apt-get update -o APT::Update::Pre-Invoke::=/bin/sh

  SUID

  This function is performed by the privileged user if the executable has the SUID bit set and the right ownership because the effective privileges are not dropped.

  Remarks

  This executable runs commands using the system shell, e.g., via functions like system, so it only works for distributions where the shell does not drop SUID privileges.

  apt-get update -o APT::Update::Pre-Invoke::=/bin/sh

Inherit

This executable can inherit functions from another.

• Unprivileged

  This function can be performed by any unprivileged user.

  apt-get changelog apt

  Sudo

  This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

  Remarks

  If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

  apt-get changelog apt

  Functions

  Inherits from less, thus possibly granting the following functions:

  • Shell
  • File write
  • File read
  • Inherit
  • Shell
  • File write
  • File read

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