klotz: injection* + security*

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  1. The article discusses two unexpected sources of code execution in bash: arithmetic expressions and the test -v command, which can evaluate arbitrary code under certain conditions.

    ```
    if [ "${num}" -eq 42 » ]
    ```

    ```
    $ [ -v 'x[$(cat /etc/passwd > /tmp/pwned) » ' ]]
    ```
    2024-11-22 Tags: , , by klotz
  2. 2023-12-19 Tags: , , , by klotz
  3. 2021-11-22 Tags: , , by klotz

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