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pypqc@0.0.6 vulnerabilities

Python bindings for the "PQClean" post-quantum cryptography library.

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Direct Vulnerabilities

Known vulnerabilities in the pypqc package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Observable Timing Discrepancy

pypqc is a Python bindings for the "PQClean" post-quantum cryptography library.

Affected versions of this package are vulnerable to Observable Timing Discrepancy due to the decapsulation process. An attacker that is able to submit many decapsulation requests against a single private key and to gain timing information about the decapsulation, could recover the private key.

Notes:

  1. This is only exploitable for kyber512, kyber768 and kyber1024 on Mac OS or when compiled with clang.

  2. The 0.0.7 -> 0.0.7.1 upgrade, when available, should be a drop-in replacement.

How to fix Observable Timing Discrepancy?

There is no fixed version for pypqc.

[0.0.6,)
  • H
Exposure of Sensitive Information to an Unauthorized Actor

pypqc is a Python bindings for the "PQClean" post-quantum cryptography library.

Affected versions of this package are vulnerable to Exposure of Sensitive Information to an Unauthorized Actor due to the handling of ciphertexts against a single private key and the ability to get responses in real-time. An attacker can recover the private key by submitting many ciphertexts.

How to fix Exposure of Sensitive Information to an Unauthorized Actor?

Upgrade pypqc to version 0.0.6.1 or higher.

[,0.0.6.1)
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