cnvd - cnvd-2016-05349

cnvd-2016-05349

Vulnerability from cnvd

Title: OpenSSH用户枚举漏洞

Description:

OpenSSH（OpenBSD Secure Shell）是OpenBSD计划组所维护的一套用于安全访问远程计算机的连接工具。

OpenSSH存在用户枚举漏洞。OpenSSH SSH守护进程允许用户进行身份验证时的时间差进行用户枚举。

Severity: 中

Patch Name: OpenSSH用户枚举漏洞的补丁

Patch Description:

OpenSSH（OpenBSD Secure Shell）是OpenBSD计划组所维护的一套用于安全访问远程计算机的连接工具。

OpenSSH存在用户枚举漏洞。OpenSSH SSH守护进程允许用户进行身份验证时的时间差进行用户枚举。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:

厂商已发布了修复版本，请及时关注更新： http://www.openssh.com/

Reference: https://www.debian.org/security/2016/dsa-3626 http://seclists.org/fulldisclosure/2016/Jul/51

Impacted products

Name
OpenSSH OpenSSH

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "91812"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-6210"
    }
  },
  "description": "OpenSSH\uff08OpenBSD Secure Shell\uff09\u662fOpenBSD\u8ba1\u5212\u7ec4\u6240\u7ef4\u62a4\u7684\u4e00\u5957\u7528\u4e8e\u5b89\u5168\u8bbf\u95ee\u8fdc\u7a0b\u8ba1\u7b97\u673a\u7684\u8fde\u63a5\u5de5\u5177\u3002\r\n\r\nOpenSSH\u5b58\u5728\u7528\u6237\u679a\u4e3e\u6f0f\u6d1e\u3002OpenSSH SSH\u5b88\u62a4\u8fdb\u7a0b\u5141\u8bb8\u7528\u6237\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u65f6\u7684\u65f6\u95f4\u5dee\u8fdb\u884c\u7528\u6237\u679a\u4e3e\u3002",
  "discovererName": "Shi Lei",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u4fee\u590d\u7248\u672c\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://www.openssh.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-05349",
  "openTime": "2016-07-25",
  "patchDescription": "OpenSSH\uff08OpenBSD Secure Shell\uff09\u662fOpenBSD\u8ba1\u5212\u7ec4\u6240\u7ef4\u62a4\u7684\u4e00\u5957\u7528\u4e8e\u5b89\u5168\u8bbf\u95ee\u8fdc\u7a0b\u8ba1\u7b97\u673a\u7684\u8fde\u63a5\u5de5\u5177\u3002\r\n\r\nOpenSSH\u5b58\u5728\u7528\u6237\u679a\u4e3e\u6f0f\u6d1e\u3002OpenSSH SSH\u5b88\u62a4\u8fdb\u7a0b\u5141\u8bb8\u7528\u6237\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u65f6\u7684\u65f6\u95f4\u5dee\u8fdb\u884c\u7528\u6237\u679a\u4e3e\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": "OpenSSH\u7528\u6237\u679a\u4e3e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "OpenSSH OpenSSH"
  },
  "referenceLink": "https://www.debian.org/security/2016/dsa-3626\r\nhttp://seclists.org/fulldisclosure/2016/Jul/51",
  "serverity": "\u4e2d",
  "submitTime": "2016-07-25",
  "title": "OpenSSH\u7528\u6237\u679a\u4e3e\u6f0f\u6d1e"
}

CVE-2016-6210 (GCVE-0-2016-6210)

Vulnerability from cvelistv5

Published

2017-02-13 00:00

Modified

2024-08-06 01:22

Severity ?

CWE

Summary

sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provided.

References

▼	URL	Tags
	https://access.redhat.com/errata/RHSA-2017:2563	vendor-advisory
	http://www.securitytracker.com/id/1036319	vdb-entry
	http://seclists.org/fulldisclosure/2016/Jul/51	mailing-list
	http://www.debian.org/security/2016/dsa-3626	vendor-advisory
	https://www.exploit-db.com/exploits/40136/	exploit
	https://www.exploit-db.com/exploits/40113/	exploit
	https://www.openssh.com/txt/release-7.3
	https://security.gentoo.org/glsa/201612-18	vendor-advisory
	https://access.redhat.com/errata/RHSA-2017:2029	vendor-advisory
	http://www.securityfocus.com/bid/91812	vdb-entry
	https://security.netapp.com/advisory/ntap-20190206-0001/
	https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T01:22:20.650Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "RHSA-2017:2563",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2017:2563"
          },
          {
            "name": "1036319",
            "tags": [
              "vdb-entry",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1036319"
          },
          {
            "name": "20160714 opensshd - user enumeration",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://seclists.org/fulldisclosure/2016/Jul/51"
          },
          {
            "name": "DSA-3626",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2016/dsa-3626"
          },
          {
            "name": "40136",
            "tags": [
              "exploit",
              "x_transferred"
            ],
            "url": "https://www.exploit-db.com/exploits/40136/"
          },
          {
            "name": "40113",
            "tags": [
              "exploit",
              "x_transferred"
            ],
            "url": "https://www.exploit-db.com/exploits/40113/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.openssh.com/txt/release-7.3"
          },
          {
            "name": "GLSA-201612-18",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201612-18"
          },
          {
            "name": "RHSA-2017:2029",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2017:2029"
          },
          {
            "name": "91812",
            "tags": [
              "vdb-entry",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/91812"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20190206-0001/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-07-14T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provided."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-13T00:00:00",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "RHSA-2017:2563",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2017:2563"
        },
        {
          "name": "1036319",
          "tags": [
            "vdb-entry"
          ],
          "url": "http://www.securitytracker.com/id/1036319"
        },
        {
          "name": "20160714 opensshd - user enumeration",
          "tags": [
            "mailing-list"
          ],
          "url": "http://seclists.org/fulldisclosure/2016/Jul/51"
        },
        {
          "name": "DSA-3626",
          "tags": [
            "vendor-advisory"
          ],
          "url": "http://www.debian.org/security/2016/dsa-3626"
        },
        {
          "name": "40136",
          "tags": [
            "exploit"
          ],
          "url": "https://www.exploit-db.com/exploits/40136/"
        },
        {
          "name": "40113",
          "tags": [
            "exploit"
          ],
          "url": "https://www.exploit-db.com/exploits/40113/"
        },
        {
          "url": "https://www.openssh.com/txt/release-7.3"
        },
        {
          "name": "GLSA-201612-18",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/201612-18"
        },
        {
          "name": "RHSA-2017:2029",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2017:2029"
        },
        {
          "name": "91812",
          "tags": [
            "vdb-entry"
          ],
          "url": "http://www.securityfocus.com/bid/91812"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20190206-0001/"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-6210",
    "datePublished": "2017-02-13T00:00:00",
    "dateReserved": "2016-07-13T00:00:00",
    "dateUpdated": "2024-08-06T01:22:20.650Z",
    "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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