gsd-2015-5296
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c.
Aliases
Aliases
CVE-2015-5296


To clipboard 

{
  "GSD": {
    "alias": "CVE-2015-5296",
    "description": "Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c.",
    "id": "GSD-2015-5296",
    "references": [
      "https://www.suse.com/security/cve/CVE-2015-5296.html",
      "https://www.debian.org/security/2016/dsa-3433",
      "https://access.redhat.com/errata/RHSA-2016:0016",
      "https://access.redhat.com/errata/RHSA-2016:0015",
      "https://access.redhat.com/errata/RHSA-2016:0011",
      "https://access.redhat.com/errata/RHSA-2016:0010",
      "https://access.redhat.com/errata/RHSA-2016:0006",
      "https://ubuntu.com/security/CVE-2015-5296",
      "https://advisories.mageia.org/CVE-2015-5296.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2015-5296.html",
      "https://linux.oracle.com/cve/CVE-2015-5296.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2015-5296"
      ],
      "details": "Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c.",
      "id": "GSD-2015-5296",
      "modified": "2023-12-13T01:20:05.984551Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2015-5296",
        "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": "Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://git.samba.org/?p=samba.git;a=commit;h=a819d2b440aafa3138d95ff6e8b824da885a70e9",
            "refsource": "CONFIRM",
            "url": "https://git.samba.org/?p=samba.git;a=commit;h=a819d2b440aafa3138d95ff6e8b824da885a70e9"
          },
          {
            "name": "FEDORA-2015-0e0879cc8a",
            "refsource": "FEDORA",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html"
          },
          {
            "name": "https://git.samba.org/?p=samba.git;a=commit;h=1ba49b8f389eda3414b14410c7fbcb4041ca06b1",
            "refsource": "CONFIRM",
            "url": "https://git.samba.org/?p=samba.git;a=commit;h=1ba49b8f389eda3414b14410c7fbcb4041ca06b1"
          },
          {
            "name": "openSUSE-SU-2016:1064",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html"
          },
          {
            "name": "USN-2855-2",
            "refsource": "UBUNTU",
            "url": "http://www.ubuntu.com/usn/USN-2855-2"
          },
          {
            "name": "SUSE-SU-2016:0032",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html"
          },
          {
            "name": "SUSE-SU-2015:2304",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html"
          },
          {
            "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html",
            "refsource": "CONFIRM",
            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html"
          },
          {
            "name": "SUSE-SU-2015:2305",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html"
          },
          {
            "name": "79732",
            "refsource": "BID",
            "url": "http://www.securityfocus.com/bid/79732"
          },
          {
            "name": "SUSE-SU-2016:0164",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html"
          },
          {
            "name": "openSUSE-SU-2015:2354",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html"
          },
          {
            "name": "FEDORA-2015-b36076d32e",
            "refsource": "FEDORA",
            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html"
          },
          {
            "name": "openSUSE-SU-2016:1106",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html"
          },
          {
            "name": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993",
            "refsource": "CONFIRM",
            "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993"
          },
          {
            "name": "https://git.samba.org/?p=samba.git;a=commit;h=d724f835acb9f4886c0001af32cd325dbbf1f895",
            "refsource": "CONFIRM",
            "url": "https://git.samba.org/?p=samba.git;a=commit;h=d724f835acb9f4886c0001af32cd325dbbf1f895"
          },
          {
            "name": "1034493",
            "refsource": "SECTRACK",
            "url": "http://www.securitytracker.com/id/1034493"
          },
          {
            "name": "DSA-3433",
            "refsource": "DEBIAN",
            "url": "http://www.debian.org/security/2016/dsa-3433"
          },
          {
            "name": "openSUSE-SU-2016:1107",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html"
          },
          {
            "name": "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html",
            "refsource": "CONFIRM",
            "url": "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html"
          },
          {
            "name": "GLSA-201612-47",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/201612-47"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1290292",
            "refsource": "CONFIRM",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1290292"
          },
          {
            "name": "https://www.samba.org/samba/security/CVE-2015-5296.html",
            "refsource": "CONFIRM",
            "url": "https://www.samba.org/samba/security/CVE-2015-5296.html"
          },
          {
            "name": "USN-2855-1",
            "refsource": "UBUNTU",
            "url": "http://www.ubuntu.com/usn/USN-2855-1"
          },
          {
            "name": "openSUSE-SU-2015:2356",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.3.3",
                "versionStartIncluding": "4.3.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.2.7",
                "versionStartIncluding": "4.2.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.1.22",
                "versionStartIncluding": "3.2.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2015-5296"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-20"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1290292",
              "refsource": "CONFIRM",
              "tags": [
                "Issue Tracking",
                "Third Party Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1290292"
            },
            {
              "name": "https://git.samba.org/?p=samba.git;a=commit;h=d724f835acb9f4886c0001af32cd325dbbf1f895",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://git.samba.org/?p=samba.git;a=commit;h=d724f835acb9f4886c0001af32cd325dbbf1f895"
            },
            {
              "name": "https://git.samba.org/?p=samba.git;a=commit;h=1ba49b8f389eda3414b14410c7fbcb4041ca06b1",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://git.samba.org/?p=samba.git;a=commit;h=1ba49b8f389eda3414b14410c7fbcb4041ca06b1"
            },
            {
              "name": "https://www.samba.org/samba/security/CVE-2015-5296.html",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.samba.org/samba/security/CVE-2015-5296.html"
            },
            {
              "name": "https://git.samba.org/?p=samba.git;a=commit;h=a819d2b440aafa3138d95ff6e8b824da885a70e9",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://git.samba.org/?p=samba.git;a=commit;h=a819d2b440aafa3138d95ff6e8b824da885a70e9"
            },
            {
              "name": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html"
            },
            {
              "name": "79732",
              "refsource": "BID",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/79732"
            },
            {
              "name": "openSUSE-SU-2016:1064",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html"
            },
            {
              "name": "openSUSE-SU-2016:1106",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html"
            },
            {
              "name": "openSUSE-SU-2016:1107",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html"
            },
            {
              "name": "USN-2855-2",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.ubuntu.com/usn/USN-2855-2"
            },
            {
              "name": "FEDORA-2015-0e0879cc8a",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html"
            },
            {
              "name": "USN-2855-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.ubuntu.com/usn/USN-2855-1"
            },
            {
              "name": "1034493",
              "refsource": "SECTRACK",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securitytracker.com/id/1034493"
            },
            {
              "name": "SUSE-SU-2015:2305",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html"
            },
            {
              "name": "DSA-3433",
              "refsource": "DEBIAN",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.debian.org/security/2016/dsa-3433"
            },
            {
              "name": "SUSE-SU-2016:0032",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html"
            },
            {
              "name": "FEDORA-2015-b36076d32e",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html"
            },
            {
              "name": "SUSE-SU-2016:0164",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html"
            },
            {
              "name": "SUSE-SU-2015:2304",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html"
            },
            {
              "name": "openSUSE-SU-2015:2356",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html"
            },
            {
              "name": "openSUSE-SU-2015:2354",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html"
            },
            {
              "name": "GLSA-201612-47",
              "refsource": "GENTOO",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.gentoo.org/glsa/201612-47"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM"
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2022-08-29T20:06Z",
      "publishedDate": "2015-12-29T22:59Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.