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CNVD-2022-67857

Vulnerability from cnvd - Published: 2022-10-11

Title

Synology WebDAV Server路径遍历漏洞

Description

Synology WebDAV Server是一个HTTP的扩充服务，可让用户编辑和管理存储在远程服务器上的文件。 Synology WebDAV Server存在路径遍历漏洞，该漏洞源于webapi组件对受限目录的路径名的不当限制，经过身份验证的攻击者可利用此漏洞通过未明的媒介删除任意文件。

Severity

高

Patch Name

Synology WebDAV Server路径遍历漏洞的补丁

Patch Description

Synology WebDAV Server是一个HTTP的扩充服务，可让用户编辑和管理存储在远程服务器上的文件。 Synology WebDAV Server存在路径遍历漏洞，该漏洞源于webapi组件对受限目录的路径名的不当限制，经过身份验证的攻击者可利用此漏洞通过未明的媒介删除任意文件。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

厂商已发布了漏洞修复程序，请及时关注更新： https://www.synology.cn/zh-cn/security/advisory/Synology_SA_21_09

Reference

https://www.synology.com/security/advisory/Synology_SA_21_09

Impacted products

Name
Synology Synology WebDAV Server <2.4.0-0062

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-22685",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-22685"
    }
  },
  "description": "Synology WebDAV Server\u662f\u4e00\u4e2aHTTP\u7684\u6269\u5145\u670d\u52a1\uff0c\u53ef\u8ba9\u7528\u6237\u7f16\u8f91\u548c\u7ba1\u7406\u5b58\u50a8\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\u3002\n\nSynology WebDAV Server\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ewebapi\u7ec4\u4ef6\u5bf9\u53d7\u9650\u76ee\u5f55\u7684\u8def\u5f84\u540d\u7684\u4e0d\u5f53\u9650\u5236\uff0c\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u901a\u8fc7\u672a\u660e\u7684\u5a92\u4ecb\u5220\u9664\u4efb\u610f\u6587\u4ef6\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.synology.cn/zh-cn/security/advisory/Synology_SA_21_09",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-67857",
  "openTime": "2022-10-11",
  "patchDescription": "Synology WebDAV Server\u662f\u4e00\u4e2aHTTP\u7684\u6269\u5145\u670d\u52a1\uff0c\u53ef\u8ba9\u7528\u6237\u7f16\u8f91\u548c\u7ba1\u7406\u5b58\u50a8\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\u3002\r\n\r\nSynology WebDAV Server\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ewebapi\u7ec4\u4ef6\u5bf9\u53d7\u9650\u76ee\u5f55\u7684\u8def\u5f84\u540d\u7684\u4e0d\u5f53\u9650\u5236\uff0c\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u901a\u8fc7\u672a\u660e\u7684\u5a92\u4ecb\u5220\u9664\u4efb\u610f\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": "Synology WebDAV Server\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Synology Synology WebDAV Server \u003c2.4.0-0062"
  },
  "referenceLink": "https://www.synology.com/security/advisory/Synology_SA_21_09",
  "serverity": "\u9ad8",
  "submitTime": "2022-07-30",
  "title": "Synology WebDAV Server\u8def\u5f84\u904d\u5386\u6f0f\u6d1e"
}

CVE-2022-22685 (GCVE-0-2022-22685)

Vulnerability from cvelistv5 – Published: 2022-07-28 06:45 – Updated: 2024-09-17 01:56

Summary

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology WebDAV Server before 2.4.0-0062 allows remote authenticated users to delete arbitrary files via unspecified vectors.

Severity

8.7 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

synology mitre root

References

1 reference

URL	Tags
https://www.synology.com/security/advisory/Synolo…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
Synology	WebDAV Server	Affected: unspecified , < 2.4.0-0062 (custom)

Date Public

2022-07-25 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-03T03:21:48.885Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "tags": [
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            ],
            "url": "https://www.synology.com/security/advisory/Synology_SA_21_09"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "product": "WebDAV Server",
          "vendor": "Synology",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
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      "descriptions": [
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      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H",
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          }
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      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2022-07-28T06:45:12.000Z",
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      },
      "references": [
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          "tags": [
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          "url": "https://www.synology.com/security/advisory/Synology_SA_21_09"
        }
      ],
      "x_legacyV4Record": {
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        },
        "affects": {
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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.

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CNVD-2022-67857

CVE-2022-22685 (GCVE-0-2022-22685)

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