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GHSA-p4v8-jgcv-9g75: safe_pqc_kyber leaks parts of secret keys

Impact

On some platforms, when an attacker can time decapsulation, and in particular when the attacker can forge cipher texts, they can learn (parts of) the secret key.

Does not apply to ephemeral usage, such as when used in the regular way in TLS.

Patches

Patched in 0.6.2.

References

ghsa
#git#ssl

Package

cargo safe_pqc_kyber (Rust)

Affected versions

< 0.6.2

Patched versions

0.6.2

Description

Impact

On some platforms, when an attacker can time decapsulation, and in particular when the attacker can forge cipher texts, they can learn (parts of) the secret key.

Does not apply to ephemeral usage, such as when used in the regular way in TLS.

Patches

Patched in 0.6.2.

References

  • kyberslash.cr.yp.to

References

  • GHSA-p4v8-jgcv-9g75
  • bwesterb/argyle-kyber@b5c6ad1
  • https://kyberslash.cr.yp.to/

bwesterb published to bwesterb/argyle-kyber

Dec 30, 2023

Published to the GitHub Advisory Database

Jan 3, 2024

Reviewed

Jan 3, 2024

Last updated

Jan 3, 2024

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