Vulnerability-Lookup

CNVD-2015-03556

Vulnerability from cnvd - Published: 2015-06-04

Title

Synology Cloud Station权限提升漏洞

Description

Synology Cloud Station是一套利用云站在所有设备之间同步数据的解决方案。基于OS X平台的Synology Cloud Station的同步客户端客户端中的client_chown工具中存在安全漏洞，允许本地攻击者通过指定文件名更改任意文件的所有权，获取root权限。

Severity

中

Patch Name

Synology Cloud Station权限提升漏洞的补丁

Patch Description

Synology Cloud Station是一套利用云站在所有设备之间同步数据的解决方案。基于OS X平台的Synology Cloud Station的同步客户端客户端中的client_chown工具中存在安全漏洞，允许本地攻击者通过指定文件名更改任意文件的所有权，获取root权限。目前，厂商已经发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： https://www.synology.com/en-us/support/download/

Reference

http://www.kb.cert.org/vuls/id/551972

Impacted products

Name
['Synology Cloud Station 1.1-2291', 'Synology Cloud Station 2.0-2291', 'Synology Cloud Station 2.0-2402', 'Synology Cloud Station 2.1-2561', 'Synology Cloud Station 2.1-2570', 'Synology Cloud Station 2.1-2577', 'Synology Cloud Station 3.0-3005', 'Synology Cloud Station 3.0-3103', 'Synology Cloud Station 3.0-3108', 'Synology Cloud Station 3.0-3109', 'Synology Cloud Station 3.0-3111', 'Synology Cloud Station 3.1-3317', 'Synology Cloud Station 3.1-3320']

Name

['Synology Cloud Station 1.1-2291', 'Synology Cloud Station 2.0-2291', 'Synology Cloud Station 2.0-2402', 'Synology Cloud Station 2.1-2561', 'Synology Cloud Station 2.1-2570', 'Synology Cloud Station 2.1-2577', 'Synology Cloud Station 3.0-3005', 'Synology Cloud Station 3.0-3103', 'Synology Cloud Station 3.0-3108', 'Synology Cloud Station 3.0-3109', 'Synology Cloud Station 3.0-3111', 'Synology Cloud Station 3.1-3317', 'Synology Cloud Station 3.1-3320']

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "74826"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-2851"
    }
  },
  "description": "Synology Cloud Station\u662f\u4e00\u5957\u5229\u7528\u4e91\u7ad9\u5728\u6240\u6709\u8bbe\u5907\u4e4b\u95f4\u540c\u6b65\u6570\u636e\u7684\u89e3\u51b3\u65b9\u6848\u3002\r\n\r\n\u57fa\u4e8eOS X\u5e73\u53f0\u7684Synology Cloud Station\u7684\u540c\u6b65\u5ba2\u6237\u7aef\u5ba2\u6237\u7aef\u4e2d\u7684client_chown\u5de5\u5177\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u901a\u8fc7\u6307\u5b9a\u6587\u4ef6\u540d\u66f4\u6539\u4efb\u610f\u6587\u4ef6\u7684\u6240\u6709\u6743\uff0c\u83b7\u53d6root\u6743\u9650\u3002",
  "discovererName": "Jeremy Kemp",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://www.synology.com/en-us/support/download/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-03556",
  "openTime": "2015-06-04",
  "patchDescription": "Synology Cloud Station\u662f\u4e00\u5957\u5229\u7528\u4e91\u7ad9\u5728\u6240\u6709\u8bbe\u5907\u4e4b\u95f4\u540c\u6b65\u6570\u636e\u7684\u89e3\u51b3\u65b9\u6848\u3002\u57fa\u4e8eOS X\u5e73\u53f0\u7684Synology Cloud Station\u7684\u540c\u6b65\u5ba2\u6237\u7aef\u5ba2\u6237\u7aef\u4e2d\u7684client_chown\u5de5\u5177\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u901a\u8fc7\u6307\u5b9a\u6587\u4ef6\u540d\u66f4\u6539\u4efb\u610f\u6587\u4ef6\u7684\u6240\u6709\u6743\uff0c\u83b7\u53d6root\u6743\u9650\u3002\u76ee\u524d\uff0c\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Synology Cloud Station\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Synology Cloud Station 1.1-2291",
      "Synology Cloud Station 2.0-2291",
      "Synology Cloud Station 2.0-2402",
      "Synology Cloud Station 2.1-2561",
      "Synology Cloud Station 2.1-2570",
      "Synology Cloud Station 2.1-2577",
      "Synology Cloud Station 3.0-3005",
      "Synology Cloud Station 3.0-3103",
      "Synology Cloud Station 3.0-3108",
      "Synology Cloud Station 3.0-3109",
      "Synology Cloud Station 3.0-3111",
      "Synology Cloud Station 3.1-3317",
      "Synology Cloud Station 3.1-3320"
    ]
  },
  "referenceLink": "http://www.kb.cert.org/vuls/id/551972",
  "serverity": "\u4e2d",
  "submitTime": "2015-06-01",
  "title": "Synology Cloud Station\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2015-2851 (GCVE-0-2015-2851)

Vulnerability from cvelistv5 – Published: 2015-05-30 19:00 – Updated: 2024-08-06 05:24

Summary

client_chown in the sync client in Synology Cloud Station 1.1-2291 through 3.1-3320 on OS X allows local users to change the ownership of arbitrary files, and consequently obtain root access, by specifying a filename.

Severity

No CVSS data available.

CWE

Assigner

certcc mitre root

References

3 references

URL	Tags
http://www.securityfocus.com/bid/74826	vdb-entryx_refsource_BID
http://www.kb.cert.org/vuls/id/BLUU-9VBU45	x_refsource_CONFIRM
http://www.kb.cert.org/vuls/id/551972	third-party-advisoryx_refsource_CERT-VN

Date Public

2015-05-26 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T05:24:38.980Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "74826",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/74826"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/BLUU-9VBU45"
          },
          {
            "name": "VU#551972",
            "tags": [
              "third-party-advisory",
              "x_refsource_CERT-VN",
              "x_transferred"
            ],
            "url": "http://www.kb.cert.org/vuls/id/551972"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
      "datePublic": "2015-05-26T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "client_chown in the sync client in Synology Cloud Station 1.1-2291 through 3.1-3320 on OS X allows local users to change the ownership of arbitrary files, and consequently obtain root access, by specifying a filename."
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2016-12-01T15:57:02.000Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "name": "74826",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/74826"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.kb.cert.org/vuls/id/BLUU-9VBU45"
        },
        {
          "name": "VU#551972",
          "tags": [
            "third-party-advisory",
            "x_refsource_CERT-VN"
          ],
          "url": "http://www.kb.cert.org/vuls/id/551972"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cert@cert.org",
          "ID": "CVE-2015-2851",
          "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": [
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              "refsource": "CONFIRM",
              "url": "http://www.kb.cert.org/vuls/id/BLUU-9VBU45"
            },
            {
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              "refsource": "CERT-VN",
              "url": "http://www.kb.cert.org/vuls/id/551972"
            }
          ]
        }
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
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    "datePublished": "2015-05-30T19:00:00.000Z",
    "dateReserved": "2015-04-03T00:00:00.000Z",
    "dateUpdated": "2024-08-06T05:24:38.980Z",
    "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.

Detection rules are retrieved from Rulezet.

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-2015-03556

CVE-2015-2851 (GCVE-0-2015-2851)

Tags

Sightings

Nomenclature

Related by attack behaviour