cnvd - cnvd-2016-01664

cnvd-2016-01664

Vulnerability from cnvd

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:

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。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

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

To clipboard

{
  "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

Modified

2024-08-05 22:30

Severity ?

CWE

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.

References

▼	URL	Tags
	http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html	vendor-advisory, x_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-entry, x_refsource_BID
	http://www.ubuntu.com/usn/USN-2922-1	vendor-advisory, x_refsource_UBUNTU
	http://www.debian.org/security/2016/dsa-3514	vendor-advisory, x_refsource_DEBIAN
	http://www.securitytracker.com/id/1035219	vdb-entry, x_refsource_SECTRACK

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

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",
      "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",
        "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",
    "dateReserved": "2015-12-16T00:00:00",
    "dateUpdated": "2024-08-05T22:30:04.077Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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