CVE-2017-3730

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    CVE-2017-3730

    Published: 4 May 2017Last Modified: 8 Jul 2026

    Summary:

    Details: In OpenSSL 1.1.0 before 1.1.0d, if a malicious server supplies bad parameters for a DHE or ECDHE key exchange then this can result in the client attempting to dereference a NULL pointer leading to a client crash. This could be exploited in a Denial of Service attack.

    References: http://www.securityfocus.com/bid/95812, http://www.securitytracker.com/id/1037717, https://security.gentoo.org/glsa/201702-07, https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03838en_us, http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html, http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html, https://github.com/openssl/openssl/commit/efbe126e3ebb9123ac9d058aa2bb044261342aaa, https://www.openssl.org/news/secadv/20170126.txt, https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html, https://www.exploit-db.com/exploits/41192/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 7ea5bd2b52d0e81eaef3d109b3b12545306f201c
    Fixed -None

    Affected versions

    1.1.0

    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