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    CVE-2016-2119

    libcli/smb/smbXcli_base.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the (1) SMB2_SESSION_FLAG_IS_GUEST or (2) SMB2_SESSION_FLAG_IS_NULL flag.

    Published:Jul 7, 2016
    Last Modified:Apr 12, 2025
    EPS:Jul 7, 2016
    EPSS Score:0.00799
    CVSS Score:7.5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Storage
    Vendor
    Samba
    Product
    Samba

    Exploits

    No exploit reference

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    References

    http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.html
    http://rhn.redhat.com/errata/RHSA-2016-1486.html
    http://rhn.redhat.com/errata/RHSA-2016-1487.html
    http://rhn.redhat.com/errata/RHSA-2016-1494.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
    http://www.securityfocus.com/bid/91700
    http://www.securitytracker.com/id/1036244
    https://security.gentoo.org/glsa/201805-07
    https://www.samba.org/samba/security/CVE-2016-2119.html
    http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.html
    http://rhn.redhat.com/errata/RHSA-2016-1486.html
    http://rhn.redhat.com/errata/RHSA-2016-1487.html
    http://rhn.redhat.com/errata/RHSA-2016-1494.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
    http://www.securityfocus.com/bid/91700
    http://www.securitytracker.com/id/1036244
    https://security.gentoo.org/glsa/201805-07
    https://www.samba.org/samba/security/CVE-2016-2119.html

    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