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    CVE-2013-7459

    Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as demonstrated by a crafted iv parameter to cryptmsg.py.

    Published:Dec 15, 2015
    Last Modified:Apr 20, 2025
    EPS:Feb 15, 2017
    EPSS Score:0.13429
    CVSS Score:9.8

    Affected Products

    Vendor
    Dlitz
    Product
    Pycrypto
    Vendor
    Fedoraproject
    Product
    Fedora

    Exploits

    https://pony7.fr/ctf:public:32c3:cryptmsghttps://pony7.fr/ctf:public:32c3:cryptmsg

    References

    http://www.openwall.com/lists/oss-security/2016/12/27/8
    http://www.securityfocus.com/bid/95122
    https://bugzilla.redhat.com/show_bug.cgi?id=1409754
    https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4
    https://github.com/dlitz/pycrypto/issues/176
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/
    https://pony7.fr/ctf:public:32c3:cryptmsg
    https://security.gentoo.org/glsa/201702-14
    http://www.openwall.com/lists/oss-security/2016/12/27/8
    http://www.securityfocus.com/bid/95122
    https://bugzilla.redhat.com/show_bug.cgi?id=1409754
    https://github.com/dlitz/pycrypto/commit/8dbe0dc3eea5c689d4f76b37b93fe216cf1f00d4
    https://github.com/dlitz/pycrypto/issues/176
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C6BWNADPLKDBBQBUT3P75W7HAJCE7M3B/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJ37R2YLX56YZABFNAOWV4VTHTGYREAE/
    https://pony7.fr/ctf:public:32c3:cryptmsg
    https://security.gentoo.org/glsa/201702-14

    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