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Wed May 22 01:40:48 EDT 2019 · https://mail.python.org/pipermail/python-dev/2019-May/157608.html

This vector exists today for all new stdlib modules: once added, any
existing dependency could include that name to cater it to be imported on
prior python versions.

Rob

On Wed, 22 May 2019, 17:03 Stephen J. Turnbull, <
turnbull.stephen.fw at u.tsukuba.ac.jp> wrote:

> Christian Heimes writes:
>
>  > It's all open source. It's up to the Python community to adopt
>  > packages and provide them on PyPI.
>  >
>  > Python core will not maintain and distribute the packages. I'll
>  > merely provide a repository with packages to help kick-starting the
>  > process.
>
> This looks to me like an opening to a special class of supply chain
> attacks.  I realize that PyPI is not yet particularly robust to such
> attacks, and we have seen "similar name" attacks (malware uploaded
> under a name similar to a popular package).  ISTM that this approach
> to implementing the PEP will enable "identical name" attacks.  (By
> download count, stdlib packages are as popular as Python. :-)
>
> It now appears that there's been substantial pushback against removing
> packages that could be characterized as "obsolete and superseded but
> still in use", so this may not be a sufficient great risk to be worth
> addressing.  I guess this post is already a warning to those who are
> taking care of the "similar name" malware that this class of attacks
> will be opened up.
>
> One thing we *could* do that would require moderate effort would be to
> put them up on PyPI ourselves, and require that would-be maintainers
> be given a (light) vetting before handing over the keys.  (Maybe just
> require that they be subscribers to the Dead Parrot SIG? :-)
>
> Steve
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Showing content from https://mail.python.org/pipermail/python-dev/2019-May/157608.html below:

[Python-Dev] PEP 594: Removing dead batteries from the standard library