Vulnerability-Lookup

CNVD-2016-01664

Vulnerability from cnvd - Published: 2016-03-16

Title

Samba内部DNS服务器越界读漏洞

Description

Samba是在Linux和UNIX系统上实现SMB协议的一个免费软件，由服务器及客户端程序构成。 Samba4.0.0至4.4.0rc3版本部署为AD DC且运行内部DNS服务器时，具有DNS记录修改权限的用户在处理DNS TXT记录中，存在越界读漏洞。恶意客户端利用精心构造的DNS TXT记录，可造成远程拒绝服务。

Severity

高

Patch Name

Samba内部DNS服务器越界读漏洞的补丁

Patch Description

Formal description

Samba已经为此发布了一个安全公告（CVE-2016-0771）以及相应补丁: https://www.samba.org/samba/security/CVE-2016-0771.html

Reference

https://www.samba.org/samba/security/CVE-2016-0771.html

Impacted products

Name
Samba Samba 4.0.0-4.4.0rc3

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-0771"
    }
  },
  "description": "Samba\u662f\u5728Linux\u548cUNIX\u7cfb\u7edf\u4e0a\u5b9e\u73b0SMB\u534f\u8bae\u7684\u4e00\u4e2a\u514d\u8d39\u8f6f\u4ef6\uff0c\u7531\u670d\u52a1\u5668\u53ca\u5ba2\u6237\u7aef\u7a0b\u5e8f\u6784\u6210\u3002\r\n\r\nSamba4.0.0\u81f34.4.0rc3\u7248\u672c\u90e8\u7f72\u4e3aAD DC\u4e14\u8fd0\u884c\u5185\u90e8DNS\u670d\u52a1\u5668\u65f6\uff0c\u5177\u6709DNS\u8bb0\u5f55\u4fee\u6539\u6743\u9650\u7684\u7528\u6237\u5728\u5904\u7406DNS TXT\u8bb0\u5f55\u4e2d\uff0c\u5b58\u5728\u8d8a\u754c\u8bfb\u6f0f\u6d1e\u3002\u6076\u610f\u5ba2\u6237\u7aef\u5229\u7528\u7cbe\u5fc3\u6784\u9020\u7684DNS TXT\u8bb0\u5f55\uff0c\u53ef\u9020\u6210\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Garming Sam and Douglas Bagnall of Catalyst IT",
  "formalWay": "Samba\u5df2\u7ecf\u4e3a\u6b64\u53d1\u5e03\u4e86\u4e00\u4e2a\u5b89\u5168\u516c\u544a\uff08CVE-2016-0771\uff09\u4ee5\u53ca\u76f8\u5e94\u8865\u4e01:\r\nhttps://www.samba.org/samba/security/CVE-2016-0771.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-01664",
  "openTime": "2016-03-16",
  "patchDescription": "Samba\u662f\u5728Linux\u548cUNIX\u7cfb\u7edf\u4e0a\u5b9e\u73b0SMB\u534f\u8bae\u7684\u4e00\u4e2a\u514d\u8d39\u8f6f\u4ef6\uff0c\u7531\u670d\u52a1\u5668\u53ca\u5ba2\u6237\u7aef\u7a0b\u5e8f\u6784\u6210\u3002\r\n\r\nSamba4.0.0\u81f34.4.0rc3\u7248\u672c\u90e8\u7f72\u4e3aAD DC\u4e14\u8fd0\u884c\u5185\u90e8DNS\u670d\u52a1\u5668\u65f6\uff0c\u5177\u6709DNS\u8bb0\u5f55\u4fee\u6539\u6743\u9650\u7684\u7528\u6237\u5728\u5904\u7406DNS TXT\u8bb0\u5f55\u4e2d\uff0c\u5b58\u5728\u8d8a\u754c\u8bfb\u6f0f\u6d1e\u3002\u6076\u610f\u5ba2\u6237\u7aef\u5229\u7528\u7cbe\u5fc3\u6784\u9020\u7684DNS TXT\u8bb0\u5f55\uff0c\u53ef\u9020\u6210\u8fdc\u7a0b\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Samba\u5185\u90e8DNS\u670d\u52a1\u5668\u8d8a\u754c\u8bfb\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Samba Samba 4.0.0-4.4.0rc3"
  },
  "referenceLink": "https://www.samba.org/samba/security/CVE-2016-0771.html",
  "serverity": "\u9ad8",
  "submitTime": "2016-03-14",
  "title": "Samba\u5185\u90e8DNS\u670d\u52a1\u5668\u8d8a\u754c\u8bfb\u6f0f\u6d1e"
}

CVE-2016-0771 (GCVE-0-2016-0771)

Vulnerability from cvelistv5 – Published: 2016-03-13 22:00 – Updated: 2024-08-05 22:30

Summary

The internal DNS server in Samba 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4, when an AD DC is configured, allows remote authenticated users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from process memory by uploading a crafted DNS TXT record.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

8 references

URL	Tags
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://www.samba.org/samba/security/CVE-2016-0771.html	x_refsource_CONFIRM
https://bugzilla.samba.org/show_bug.cgi?id=11128	x_refsource_CONFIRM
https://bugzilla.samba.org/show_bug.cgi?id=11686	x_refsource_CONFIRM
http://www.securityfocus.com/bid/84273	vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-2922-1	vendor-advisoryx_refsource_UBUNTU
http://www.debian.org/security/2016/dsa-3514	vendor-advisoryx_refsource_DEBIAN
http://www.securitytracker.com/id/1035219	vdb-entryx_refsource_SECTRACK

Date Public

2016-03-09 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T22:30:04.077Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "openSUSE-SU-2016:0813",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.samba.org/samba/security/CVE-2016-0771.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.samba.org/show_bug.cgi?id=11128"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.samba.org/show_bug.cgi?id=11686"
          },
          {
            "name": "84273",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/84273"
          },
          {
            "name": "USN-2922-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2922-1"
          },
          {
            "name": "DSA-3514",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2016/dsa-3514"
          },
          {
            "name": "1035219",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1035219"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-03-09T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The internal DNS server in Samba 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4, when an AD DC is configured, allows remote authenticated users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from process memory by uploading a crafted DNS TXT record."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2016-12-01T15:57:02.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "openSUSE-SU-2016:0813",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.samba.org/samba/security/CVE-2016-0771.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.samba.org/show_bug.cgi?id=11128"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.samba.org/show_bug.cgi?id=11686"
        },
        {
          "name": "84273",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/84273"
        },
        {
          "name": "USN-2922-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "http://www.ubuntu.com/usn/USN-2922-1"
        },
        {
          "name": "DSA-3514",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2016/dsa-3514"
        },
        {
          "name": "1035219",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1035219"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-0771",
    "datePublished": "2016-03-13T22:00:00.000Z",
    "dateReserved": "2015-12-16T00:00:00.000Z",
    "dateUpdated": "2024-08-05T22:30:04.077Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2016-01664

CVE-2016-0771 (GCVE-0-2016-0771)

Tags

Sightings

Nomenclature

Related by attack behaviour