gsd-2016-2119
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
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.
Aliases
Aliases
CVE-2016-2119


To clipboard 

{
  "GSD": {
    "alias": "CVE-2016-2119",
    "description": "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.",
    "id": "GSD-2016-2119",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-2119.html",
      "https://www.debian.org/security/2016/dsa-3740",
      "https://access.redhat.com/errata/RHSA-2016:1494",
      "https://access.redhat.com/errata/RHSA-2016:1487",
      "https://access.redhat.com/errata/RHSA-2016:1486",
      "https://ubuntu.com/security/CVE-2016-2119",
      "https://alas.aws.amazon.com/cve/html/CVE-2016-2119.html",
      "https://linux.oracle.com/cve/CVE-2016-2119.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-2119"
      ],
      "details": "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.",
      "id": "GSD-2016-2119",
      "modified": "2023-12-13T01:21:19.677994Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2016-2119",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "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."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html",
            "refsource": "CONFIRM",
            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html"
          },
          {
            "name": "RHSA-2016:1494",
            "refsource": "REDHAT",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-1494.html"
          },
          {
            "name": "91700",
            "refsource": "BID",
            "url": "http://www.securityfocus.com/bid/91700"
          },
          {
            "name": "RHSA-2016:1486",
            "refsource": "REDHAT",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-1486.html"
          },
          {
            "name": "GLSA-201805-07",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/201805-07"
          },
          {
            "name": "openSUSE-SU-2016:1830",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.html"
          },
          {
            "name": "RHSA-2016:1487",
            "refsource": "REDHAT",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-1487.html"
          },
          {
            "name": "1036244",
            "refsource": "SECTRACK",
            "url": "http://www.securitytracker.com/id/1036244"
          },
          {
            "name": "https://www.samba.org/samba/security/CVE-2016-2119.html",
            "refsource": "CONFIRM",
            "url": "https://www.samba.org/samba/security/CVE-2016-2119.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.2.14",
                "versionStartIncluding": "4.0.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.3.11",
                "versionStartIncluding": "4.3.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.4.5",
                "versionStartIncluding": "4.4.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2016-2119"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-94"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.samba.org/samba/security/CVE-2016-2119.html",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.samba.org/samba/security/CVE-2016-2119.html"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html"
            },
            {
              "name": "RHSA-2016:1487",
              "refsource": "REDHAT",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://rhn.redhat.com/errata/RHSA-2016-1487.html"
            },
            {
              "name": "RHSA-2016:1486",
              "refsource": "REDHAT",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://rhn.redhat.com/errata/RHSA-2016-1486.html"
            },
            {
              "name": "RHSA-2016:1494",
              "refsource": "REDHAT",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://rhn.redhat.com/errata/RHSA-2016-1494.html"
            },
            {
              "name": "openSUSE-SU-2016:1830",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.html"
            },
            {
              "name": "91700",
              "refsource": "BID",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/91700"
            },
            {
              "name": "1036244",
              "refsource": "SECTRACK",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securitytracker.com/id/1036244"
            },
            {
              "name": "GLSA-201805-07",
              "refsource": "GENTOO",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.gentoo.org/glsa/201805-07"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-08-29T20:20Z",
      "publishedDate": "2016-07-07T15:59Z"
    }
  }
}


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