cnvd - cnvd-2017-10116

cnvd-2017-10116

Vulnerability from cnvd

Title: Samba smbd拒绝服务漏洞

Description:

Samba是Samba团队开发的一套可使UNIX系列的操作系统与微软Windows操作系统的SMB/CIFS网络协议做连结的自由软件，它支持共享打印机、互相传输资料文件等。smbd是其中的一个用于向客户端（如Windows 95、98、ME，Windows NT和Windows 2000等）提供文件共享和打印服务的服务器进程。

Samba 4.4.10之前的版本和4.5.6之前的4.5.x版本中的smbd存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（fd_open_atomic无限循环、CPU大量占用和内存消耗）。

Severity: 高

Patch Name: Samba smbd拒绝服务漏洞的补丁

Patch Description:

Samba 4.4.10之前的版本和4.5.6之前的4.5.x版本中的smbd存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（fd_open_atomic无限循环、CPU大量占用和内存消耗）。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://bugzilla.samba.org/show_bug.cgi?id=12572

Reference: https://bugs.debian.org/864291

Impacted products

Name
['Samba Samba <4.4.10', 'Samba Samba 4.5.*，<4.5.6']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-9461"
    }
  },
  "description": "Samba\u662fSamba\u56e2\u961f\u5f00\u53d1\u7684\u4e00\u5957\u53ef\u4f7fUNIX\u7cfb\u5217\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0e\u5fae\u8f6fWindows\u64cd\u4f5c\u7cfb\u7edf\u7684SMB/CIFS\u7f51\u7edc\u534f\u8bae\u505a\u8fde\u7ed3\u7684\u81ea\u7531\u8f6f\u4ef6\uff0c\u5b83\u652f\u6301\u5171\u4eab\u6253\u5370\u673a\u3001\u4e92\u76f8\u4f20\u8f93\u8d44\u6599\u6587\u4ef6\u7b49\u3002smbd\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u7528\u4e8e\u5411\u5ba2\u6237\u7aef\uff08\u5982Windows 95\u300198\u3001ME\uff0cWindows NT\u548cWindows 2000\u7b49\uff09\u63d0\u4f9b\u6587\u4ef6\u5171\u4eab\u548c\u6253\u5370\u670d\u52a1\u7684\u670d\u52a1\u5668\u8fdb\u7a0b\u3002\r\n\r\nSamba 4.4.10\u4e4b\u524d\u7684\u7248\u672c\u548c4.5.6\u4e4b\u524d\u76844.5.x\u7248\u672c\u4e2d\u7684smbd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08fd_open_atomic\u65e0\u9650\u5faa\u73af\u3001CPU\u5927\u91cf\u5360\u7528\u548c\u5185\u5b58\u6d88\u8017\uff09\u3002",
  "discovererName": "Alun Jones",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://bugzilla.samba.org/show_bug.cgi?id=12572",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-10116",
  "openTime": "2017-06-19",
  "patchDescription": "Samba\u662fSamba\u56e2\u961f\u5f00\u53d1\u7684\u4e00\u5957\u53ef\u4f7fUNIX\u7cfb\u5217\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0e\u5fae\u8f6fWindows\u64cd\u4f5c\u7cfb\u7edf\u7684SMB/CIFS\u7f51\u7edc\u534f\u8bae\u505a\u8fde\u7ed3\u7684\u81ea\u7531\u8f6f\u4ef6\uff0c\u5b83\u652f\u6301\u5171\u4eab\u6253\u5370\u673a\u3001\u4e92\u76f8\u4f20\u8f93\u8d44\u6599\u6587\u4ef6\u7b49\u3002smbd\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u7528\u4e8e\u5411\u5ba2\u6237\u7aef\uff08\u5982Windows 95\u300198\u3001ME\uff0cWindows NT\u548cWindows 2000\u7b49\uff09\u63d0\u4f9b\u6587\u4ef6\u5171\u4eab\u548c\u6253\u5370\u670d\u52a1\u7684\u670d\u52a1\u5668\u8fdb\u7a0b\u3002\r\n\r\nSamba 4.4.10\u4e4b\u524d\u7684\u7248\u672c\u548c4.5.6\u4e4b\u524d\u76844.5.x\u7248\u672c\u4e2d\u7684smbd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08fd_open_atomic\u65e0\u9650\u5faa\u73af\u3001CPU\u5927\u91cf\u5360\u7528\u548c\u5185\u5b58\u6d88\u8017\uff09\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 smbd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Samba Samba \u003c4.4.10",
      "Samba Samba 4.5.*\uff0c\u003c4.5.6"
    ]
  },
  "referenceLink": "https://bugs.debian.org/864291",
  "serverity": "\u9ad8",
  "submitTime": "2017-06-08",
  "title": "Samba smbd\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-9461 (GCVE-0-2017-9461)

Vulnerability from cvelistv5

Published

2017-06-06 21:00

Modified

2024-08-05 17:11

Severity ?

CWE

Summary

smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/99455	vdb-entry, x_refsource_BID
	https://access.redhat.com/errata/RHSA-2017:2778	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2017:1950	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2017:2338	vendor-advisory, x_refsource_REDHAT
	https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310	x_refsource_CONFIRM
	https://bugzilla.samba.org/show_bug.cgi?id=12572	x_refsource_CONFIRM
	https://bugs.debian.org/864291	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html	mailing-list, x_refsource_MLIST

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T17:11:01.276Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "99455",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/99455"
          },
          {
            "name": "RHSA-2017:2778",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2017:2778"
          },
          {
            "name": "RHSA-2017:1950",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2017:1950"
          },
          {
            "name": "RHSA-2017:2338",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2017:2338"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.samba.org/show_bug.cgi?id=12572"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugs.debian.org/864291"
          },
          {
            "name": "[debian-lts-announce] 20190409 [SECURITY] [DLA 1754-1] samba security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2017-06-06T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-04-09T22:06:02",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "99455",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/99455"
        },
        {
          "name": "RHSA-2017:2778",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2017:2778"
        },
        {
          "name": "RHSA-2017:1950",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2017:1950"
        },
        {
          "name": "RHSA-2017:2338",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2017:2338"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.samba.org/show_bug.cgi?id=12572"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugs.debian.org/864291"
        },
        {
          "name": "[debian-lts-announce] 20190409 [SECURITY] [DLA 1754-1] samba security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-9461",
          "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": "smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "99455",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/99455"
            },
            {
              "name": "RHSA-2017:2778",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2017:2778"
            },
            {
              "name": "RHSA-2017:1950",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2017:1950"
            },
            {
              "name": "RHSA-2017:2338",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2017:2338"
            },
            {
              "name": "https://git.samba.org/?p=samba.git;a=commit;h=10c3e3923022485c720f322ca4f0aca5d7501310",
              "refsource": "CONFIRM",
              "url": "https://git.samba.org/?p=samba.git;a=commit;h=10c3e3923022485c720f322ca4f0aca5d7501310"
            },
            {
              "name": "https://bugzilla.samba.org/show_bug.cgi?id=12572",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.samba.org/show_bug.cgi?id=12572"
            },
            {
              "name": "https://bugs.debian.org/864291",
              "refsource": "CONFIRM",
              "url": "https://bugs.debian.org/864291"
            },
            {
              "name": "[debian-lts-announce] 20190409 [SECURITY] [DLA 1754-1] samba security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2017-9461",
    "datePublished": "2017-06-06T21:00:00",
    "dateReserved": "2017-06-06T00:00:00",
    "dateUpdated": "2024-08-05T17:11:01.276Z",
    "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.

Action not permitted