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Gentoo Linux: CVE-2018-6594: PyCrypto: Weak key generation

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Gentoo Linux: CVE-2018-6594: PyCrypto: Weak key generation

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
02/03/2018
Created
08/05/2020
Added
08/04/2020
Modified
08/04/2020

Description

lib/Crypto/PublicKey/ElGamal.py in PyCrypto through 2.6.1 generates weak ElGamal key parameters, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does not have semantic security in face of a ciphertext-only attack). The Decisional Diffie-Hellman (DDH) assumption does not hold for PyCrypto's ElGamal implementation.

Solution(s)

  • gentoo-linux-upgrade-dev-python-pycrypto

References

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