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CVE-2016-2113 (GCVE-0-2016-2113)

Vulnerability from cvelistv5 – Published: 2016-04-25 00:00 – Updated: 2024-08-05 23:17
VLAI
Summary
Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not verify X.509 certificates from TLS servers, which allows man-in-the-middle attackers to spoof LDAPS and HTTPS servers and obtain sensitive information via a crafted certificate.
CWE
  • n/a
References
URL Tags
http://www.slackware.com/security/viewer.php?l=sl… vendor-advisoryx_refsource_SLACKWARE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://rhn.redhat.com/errata/RHSA-2016-0612.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-2950-1 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://badlock.org/ x_refsource_MISC
http://www.oracle.com/technetwork/topics/security… x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2950-5 vendor-advisoryx_refsource_UBUNTU
https://www.samba.org/samba/history/samba-4.2.10.html x_refsource_CONFIRM
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://rhn.redhat.com/errata/RHSA-2016-0618.html vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://www.samba.org/samba/latest_news.html#4.4.2 x_refsource_CONFIRM
http://www.securitytracker.com/id/1035533 vdb-entryx_refsource_SECTRACK
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://rhn.redhat.com/errata/RHSA-2016-0614.html vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://rhn.redhat.com/errata/RHSA-2016-0620.html vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://bto.bluecoat.com/security-advisory/sa122 x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2950-3 vendor-advisoryx_refsource_UBUNTU
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://security.gentoo.org/glsa/201612-47 vendor-advisoryx_refsource_GENTOO
http://www.debian.org/security/2016/dsa-3548 vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-2950-2 vendor-advisoryx_refsource_UBUNTU
https://www.samba.org/samba/security/CVE-2016-2113.html x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2950-4 vendor-advisoryx_refsource_UBUNTU
Date Public
2016-04-12 00:00
Show details on NVD website

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                  "vulnerable": true
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      "descriptions": [
        {
          "lang": "en",
          "value": "Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not verify X.509 certificates from TLS servers, which allows man-in-the-middle attackers to spoof LDAPS and HTTPS servers and obtain sensitive information via a crafted certificate."
        },
        {
          "lang": "es",
          "value": "Samba 4.x en versiones anteriores a 4.2.11, 4.3.x en versiones anteriores a 4.3.8 y 4.4.x en versiones anteriores a 4.4.2 no verifica certificados X.509 de servidores TLS, lo que permite a atacantes man-in-the-middle suplantar servidores LDAPS y HTTPS y obtener informaci\u00f3n sensible a trav\u00e9s de un certificado manipulado."
        }
      ],
      "id": "CVE-2016-2113",
      "lastModified": "2024-11-21T02:47:51.373",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
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              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "NONE",
              "baseScore": 5.8,
              "confidentialityImpact": "PARTIAL",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
              "version": "2.0"
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            "exploitabilityScore": 8.6,
            "impactScore": 4.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
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              "baseScore": 7.4,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
              "version": "3.0"
            },
            "exploitabilityScore": 2.2,
            "impactScore": 5.2,
            "source": "nvd@nist.gov",
            "type": "Primary"
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        ]
      },
      "published": "2016-04-25T00:59:03.957",
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            "value": "Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not verify X.509 certificates from TLS servers, which allows man-in-the-middle attackers to spoof LDAPS and HTTPS servers and obtain sensitive information via a crafted certificate."
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            "url": "https://www.samba.org/samba/history/samba-4.2.10.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.samba.org/samba/latest_news.html#4.4.2"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://www.samba.org/samba/security/CVE-2016-2113.html"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-310"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-27T07:19:20+00:00",
      "cve": "CVE-2016-2113",
      "id": "CVE-2016-2113",
      "initial_release_date": "2016-04-12T00:00:00+00:00",
      "product_status:fixed": "2034",
      "product_status:known_not_affected": "17",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "samba: Server certificates not validated at client side",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-2113.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T02:20:37Z",
      "cve": "CVE-2016-2113",
      "id": "CVE-2016-2113",
      "initial_release_date": "2023-02-15T05:06:38Z",
      "product_status:known_affected": "321",
      "product_status:known_not_affected": "90",
      "product_status:recommended": "4409",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-2113",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-2113.json",
      "version": "38"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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