Vulnerability-Lookup

CNVD-2017-08186

Vulnerability from cnvd - Published: 2017-06-05

Title

Dropbear信息泄露漏洞

Description

Dropbear是软件开发者Matt Johnston所研发的一款开源的小型SSH服务器和客户端，它可运行在基于POSIX（可移植操作系统接口）的各种平台上。 Dropbear 2017.75之前的版本中存在信息泄露漏洞。本地攻击者可利用该漏洞以root权限读取文件。

Severity

中

Patch Name

Dropbear信息泄露漏洞的补丁

Patch Description

Dropbear是软件开发者Matt Johnston所研发的一款开源的小型SSH服务器和客户端，它可运行在基于POSIX（可移植操作系统接口）的各种平台上。 Dropbear 2017.75之前的版本中存在信息泄露漏洞。本地攻击者可利用该漏洞以root权限读取文件。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html

Reference

http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html

Impacted products

Name
Dropbear Dropbear <2017.75

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-9079"
    }
  },
  "description": "Dropbear\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Matt Johnston\u6240\u7814\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u5c0f\u578bSSH\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\uff0c\u5b83\u53ef\u8fd0\u884c\u5728\u57fa\u4e8ePOSIX\uff08\u53ef\u79fb\u690d\u64cd\u4f5c\u7cfb\u7edf\u63a5\u53e3\uff09\u7684\u5404\u79cd\u5e73\u53f0\u4e0a\u3002\r\n\r\nDropbear 2017.75\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5root\u6743\u9650\u8bfb\u53d6\u6587\u4ef6\u3002",
  "discovererName": "Andrei Gherzan",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-08186",
  "openTime": "2017-06-05",
  "patchDescription": "Dropbear\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Matt Johnston\u6240\u7814\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u5c0f\u578bSSH\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\uff0c\u5b83\u53ef\u8fd0\u884c\u5728\u57fa\u4e8ePOSIX\uff08\u53ef\u79fb\u690d\u64cd\u4f5c\u7cfb\u7edf\u63a5\u53e3\uff09\u7684\u5404\u79cd\u5e73\u53f0\u4e0a\u3002\r\n\r\nDropbear 2017.75\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5root\u6743\u9650\u8bfb\u53d6\u6587\u4ef6\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": "Dropbear\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dropbear Dropbear \u003c2017.75"
  },
  "referenceLink": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html",
  "serverity": "\u4e2d",
  "submitTime": "2017-05-23",
  "title": "Dropbear\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2017-9079 (GCVE-0-2017-9079)

Vulnerability from cvelistv5 – Published: 2017-05-19 14:00 – Updated: 2024-08-05 16:55

Summary

Dropbear before 2017.75 might allow local users to read certain files as root, if the file has the authorized_keys file format with a command= option. This occurs because ~/.ssh/authorized_keys is read with root privileges and symlinks are followed.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
http://www.debian.org/security/2017/dsa-3859	vendor-advisoryx_refsource_DEBIAN
http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear…	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2019100…	x_refsource_CONFIRM

Date Public

2017-05-19 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T16:55:21.880Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "DSA-3859",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2017/dsa-3859"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20191004-0006/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2017-05-19T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Dropbear before 2017.75 might allow local users to read certain files as root, if the file has the authorized_keys file format with a command= option. This occurs because ~/.ssh/authorized_keys is read with root privileges and symlinks are followed."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-10-04T08:06:33.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "DSA-3859",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2017/dsa-3859"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20191004-0006/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-9079",
          "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": "Dropbear before 2017.75 might allow local users to read certain files as root, if the file has the authorized_keys file format with a command= option. This occurs because ~/.ssh/authorized_keys is read with root privileges and symlinks are followed."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "DSA-3859",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2017/dsa-3859"
            },
            {
              "name": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html",
              "refsource": "CONFIRM",
              "url": "http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20191004-0006/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20191004-0006/"
            }
          ]
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      }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2017-9079",
    "datePublished": "2017-05-19T14:00:00.000Z",
    "dateReserved": "2017-05-19T00:00:00.000Z",
    "dateUpdated": "2024-08-05T16:55:21.880Z",
    "state": "PUBLISHED"
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  "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.

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.

Action not permitted

CNVD-2017-08186

CVE-2017-9079 (GCVE-0-2017-9079)

Tags

Sightings

Nomenclature

Related by attack behaviour