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    CVE-2012-2417

    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.

    Published:Apr 18, 2012
    Last Modified:Apr 11, 2025
    EPS:Jun 17, 2012
    EPSS Score:0.04088
    CVSS Score:4.3

    Affected Products

    Vendor
    Dlitz
    Product
    Pycrypto

    Exploits

    https://github.com/Legrandin/pycrypto/commit/9f912f13df99ad3421eff360d6a62d7dbec755c2https://github.com/Legrandin/pycrypto/commit/9f912f13df99ad3421eff360d6a62d7dbec755c2

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081713.html
    http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081759.html
    http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081789.html
    http://secunia.com/advisories/49263
    http://www.debian.org/security/2012/dsa-2502
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:117
    http://www.openwall.com/lists/oss-security/2012/05/25/1
    http://www.osvdb.org/82279
    http://www.securityfocus.com/bid/53687
    https://bugs.launchpad.net/pycrypto/+bug/985164
    https://exchange.xforce.ibmcloud.com/vulnerabilities/75871
    https://github.com/Legrandin/pycrypto/commit/9f912f13df99ad3421eff360d6a62d7dbec755c2
    https://github.com/dlitz/pycrypto/blob/373ea760f21701b162e8c4912a66928ee30d401a/ChangeLog
    https://hermes.opensuse.org/messages/15083589
    http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081713.html
    http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081759.html
    http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081789.html
    http://secunia.com/advisories/49263
    http://www.debian.org/security/2012/dsa-2502
    http://www.mandriva.com/security/advisories?name=MDVSA-2012:117
    http://www.openwall.com/lists/oss-security/2012/05/25/1
    http://www.osvdb.org/82279
    http://www.securityfocus.com/bid/53687
    https://bugs.launchpad.net/pycrypto/+bug/985164
    https://exchange.xforce.ibmcloud.com/vulnerabilities/75871
    https://github.com/Legrandin/pycrypto/commit/9f912f13df99ad3421eff360d6a62d7dbec755c2
    https://github.com/dlitz/pycrypto/blob/373ea760f21701b162e8c4912a66928ee30d401a/ChangeLog
    https://hermes.opensuse.org/messages/15083589

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High