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    CVE-2016-6303

    Integer overflow in the MDC2_Update function in crypto/mdc2/mdc2dgst.c in OpenSSL before 1.1.0 allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown vectors.

    Published:Aug 20, 2016
    Last Modified:Apr 12, 2025
    EPS:Sep 16, 2016
    EPSS Score:0.3439
    CVSS Score:9.8

    Affected Products

    Vendor
    Nodejs
    Product
    Node.js
    Vendor
    Openssl
    Product
    Openssl

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    References

    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
    http://www-01.ibm.com/support/docview.wss?uid=swg21995039
    http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
    http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
    http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.securityfocus.com/bid/92984
    http://www.securitytracker.com/id/1036885
    https://bto.bluecoat.com/security-advisory/sa132
    https://bugzilla.redhat.com/show_bug.cgi?id=1370146
    https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
    https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=55d83bf7c10c7b205fffa23fa7c3977491e56c07
    https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
    https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/
    https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
    https://www.tenable.com/security/tns-2016-16
    https://www.tenable.com/security/tns-2016-20
    https://www.tenable.com/security/tns-2016-21
    http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
    http://www-01.ibm.com/support/docview.wss?uid=swg21995039
    http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
    http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
    http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
    http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
    http://www.securityfocus.com/bid/92984
    http://www.securitytracker.com/id/1036885
    https://bto.bluecoat.com/security-advisory/sa132
    https://bugzilla.redhat.com/show_bug.cgi?id=1370146
    https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
    https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=55d83bf7c10c7b205fffa23fa7c3977491e56c07
    https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
    https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/
    https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
    https://www.tenable.com/security/tns-2016-16
    https://www.tenable.com/security/tns-2016-20
    https://www.tenable.com/security/tns-2016-21

    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