CVE-2018-6594
High
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.
SeverityHigh
CVSS7.5
Exploit probability81. percentile2%
Product
Dlitz Pycrypto
PublishedFeb 3, 2018
First seenFeb 3, 2018
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dlitz pycrypto | v ≤ 2.6.1 | — |
| debian debian_linux | 7.0 | — |
| canonical ubuntu_linux | 12.04, 14.04, 16.04, 17.10 | — |
| pycryptoPyPI | v ≤ 2.6.1, No range specified | — |
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