{
  "schema_version": "1.4.0",
  "id": "GHSA-59r3-hh3x-g9v9",
  "modified": "2025-04-12T12:59:15Z",
  "published": "2022-05-17T03:11:48Z",
  "aliases": [
    "CVE-2016-2110"
  ],
  "details": "The NTLMSSP authentication implementation in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 allows man-in-the-middle attackers to perform protocol-downgrade attacks by modifying the client-server data stream to remove application-layer flags or encryption settings, as demonstrated by clearing the NTLMSSP_NEGOTIATE_SEAL or NTLMSSP_NEGOTIATE_SIGN option to disrupt LDAP security.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2110"
    },
    {
      "type": "WEB",
      "url": "https://bto.bluecoat.com/security-advisory/sa122"
    },
    {
      "type": "WEB",
      "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05087821"
    },
    {
      "type": "WEB",
      "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05082964"
    },
    {
      "type": "WEB",
      "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05162399"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201612-47"
    },
    {
      "type": "WEB",
      "url": "https://www.samba.org/samba/history/samba-4.2.10.html"
    },
    {
      "type": "WEB",
      "url": "https://www.samba.org/samba/latest_news.html#4.4.2"
    },
    {
      "type": "WEB",
      "url": "https://www.samba.org/samba/security/CVE-2016-2110.html"
    },
    {
      "type": "WEB",
      "url": "http://badlock.org"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00020.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00021.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00022.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00023.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00024.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00124.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0611.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0612.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0613.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0614.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0618.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0619.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0620.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0621.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0623.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0624.html"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-0625.html"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2016/dsa-3548"
    },
    {
      "type": "WEB",
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1035533"
    },
    {
      "type": "WEB",
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.458012"
    },
    {
      "type": "WEB",
      "url": "http://www.ubuntu.com/usn/USN-2950-1"
    },
    {
      "type": "WEB",
      "url": "http://www.ubuntu.com/usn/USN-2950-2"
    },
    {
      "type": "WEB",
      "url": "http://www.ubuntu.com/usn/USN-2950-3"
    },
    {
      "type": "WEB",
      "url": "http://www.ubuntu.com/usn/USN-2950-4"
    },
    {
      "type": "WEB",
      "url": "http://www.ubuntu.com/usn/USN-2950-5"
    }
  ],
  "database_specific": {
    "cwe_ids": [],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-04-25T00:59:00Z"
  }
}