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• File read

File read

This executable can read data from local files.

• Comment

  Each line of the file is interpreted as a path and the content is leaked via error messages. The output can optionally be cleaned using sed.

  Unprivileged

  This function can be performed by any unprivileged user.

  touch x.yara
  clamscan --no-summary -d x.yara -f /path/to/input-file 2>&1 | sed -nE 's/^(.*): No such file or directory$/\1/p'

  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 ....

  touch x.yara
  clamscan --no-summary -d x.yara -f /path/to/input-file 2>&1 | sed -nE 's/^(.*): No such file or directory$/\1/p'

  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.

  touch x.yara
  clamscan --no-summary -d x.yara -f /path/to/input-file 2>&1 | sed -nE 's/^(.*): No such file or directory$/\1/p'

  Remarks

  The content is corrupted or otherwise altered by the process, thus it might not be suitable for handling arbitrary binary data.

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