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Message-ID: <20210724165955.sgskdvbjhp6dolud@jwilk.net>
Date: Sat, 24 Jul 2021 18:59:55 +0200
From: Jakub Wilk <jwilk@...lk.net>
To: <oss-security@...ts.openwall.com>
Subject: Re: ipython3 may execute code from the current
working directory
* Mats Wichmann <mats@...hmann.us>, 2021-07-23, 14:39:
>>https://github.com/ipython/ipython/blob/7.25.0/IPython/core/shellapp.py#L219
>
>normally (cpython), an empty string in sys.path doesn't mean "current
>directory", it means "script directory", the directory the script
>you're running is found in [1].
No, empty string in sys.path always means cwd.
sys.path[0] is the script directory (if available), but that's a
non-empty string.
But you might be right that this is IPython's failure to mimic how the
normal Python interpreter initializes sys.path.
--
Jakub Wilk
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