Insecure Randomness Affecting pycrypto package, versions [,2.6)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.44% (76th percentile)

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  • Snyk ID SNYK-PYTHON-PYCRYPTO-40095
  • published 1 Aug 2017
  • disclosed 19 Apr 2012
  • credit Unknown

Overview

pycrypto is a Cryptographic module for Python.

PyCrypto before 2.6 does not produce appropriate prime numbers when using an ElGamal scheme to generate a key, which reduces the signature space or public key space and makes it easier for attackers to conduct brute force attacks to obtain the private key.

References

CVSS Scores

version 3.1
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Snyk

Recommended
4.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    Low
  • Availability (A)
    None
Expand this section

NVD

4.3 medium
Expand this section

Red Hat

4.8 medium