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async-tar may be exposed to RUSTSEC-2021-0080: Links in archive can create arbitrary directories #23

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wabain opened this issue Aug 17, 2021 · 2 comments · Fixed by #24
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async-tar may be exposed to RUSTSEC-2021-0080: Links in archive can create arbitrary directories #23

wabain opened this issue Aug 17, 2021 · 2 comments · Fixed by #24

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@wabain
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wabain commented Aug 17, 2021

A recent RUSTSEC advisory was opened for alexcrichton/tar-rs#238, which allows arbitrary directories to be created when specially crafted symlinks are used in a tar file. Without having tried to port the proof of concept in that issue, I think async-tar replicates the problematic code here.
@dignifiedquire
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yes, I can confirm it is

@dignifiedquire dignifiedquire mentioned this issue Aug 23, 2021
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@dignifiedquire
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fixed in 0.4.2

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fix: do not create directories outside dignifiedquire/async-tar
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@dignifiedquire @wabain