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RUSTSEC-2023-0052: webpki: CPU denial of service in certificate path building #306

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github-actions bot opened this issue Aug 23, 2023 · 0 comments
Open

RUSTSEC-2023-0052: webpki: CPU denial of service in certificate path building #306

github-actions bot opened this issue Aug 23, 2023 · 0 comments
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dependencies Pull requests that update a dependency file

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webpki: CPU denial of service in certificate path building

Details
Package webpki
Version 0.21.4
Date 2023-08-22

When this crate is given a pathological certificate chain to validate, it will
spend CPU time exponential with the number of candidate certificates at each
step of path building.

Both TLS clients and TLS servers that accept client certificate are affected.

This was previously reported in
<briansmith/webpki#69> and re-reported recently
by Luke Malinowski.

rustls-webpki is a fork of this crate which contains a fix for this issue
and is actively maintained.

See advisory page for additional details.
@Flouse Flouse added the dependencies Pull requests that update a dependency file label Sep 30, 2023
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