cnvd - cnvd-2020-64307

cnvd-2020-64307

Vulnerability from cnvd

Title: Nextcloud Server加密问题漏洞

Description:

Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。

Nextcloud Server 18.0.4存在安全漏洞，该漏洞源于用于加密的随机字符集太少，使得解密时间比预期的要短。目前没有详细的漏洞细节提供。

Severity: 低

Patch Name: Nextcloud Server加密问题漏洞的补丁

Patch Description:

Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。

Nextcloud Server 18.0.4存在安全漏洞，该漏洞源于用于加密的随机字符集太少，使得解密时间比预期的要短。目前没有详细的漏洞细节提供。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://www.foxitsoftware.com/support/security-bulletins.html

Reference: https://hackerone.com/reports/852841

Impacted products

Name
Nextcloud Nextcloud Server 18.0.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-8173",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-8173"
    }
  },
  "description": "Nextcloud\u662f\u5fb7\u56fdNextcloud\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684\u81ea\u6258\u7ba1\u6587\u4ef6\u540c\u6b65\u548c\u5171\u4eab\u7684\u901a\u4fe1\u5e94\u7528\u5e73\u53f0\u3002\n\nNextcloud Server 18.0.4\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7528\u4e8e\u52a0\u5bc6\u7684\u968f\u673a\u5b57\u7b26\u96c6\u592a\u5c11\uff0c\u4f7f\u5f97\u89e3\u5bc6\u65f6\u95f4\u6bd4\u9884\u671f\u7684\u8981\u77ed\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "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://www.foxitsoftware.com/support/security-bulletins.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-64307",
  "openTime": "2020-11-19",
  "patchDescription": "Nextcloud\u662f\u5fb7\u56fdNextcloud\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684\u81ea\u6258\u7ba1\u6587\u4ef6\u540c\u6b65\u548c\u5171\u4eab\u7684\u901a\u4fe1\u5e94\u7528\u5e73\u53f0\u3002\r\n\r\nNextcloud Server 18.0.4\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7528\u4e8e\u52a0\u5bc6\u7684\u968f\u673a\u5b57\u7b26\u96c6\u592a\u5c11\uff0c\u4f7f\u5f97\u89e3\u5bc6\u65f6\u95f4\u6bd4\u9884\u671f\u7684\u8981\u77ed\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "Nextcloud Server\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nextcloud Nextcloud Server 18.0.4"
  },
  "referenceLink": "https://hackerone.com/reports/852841",
  "serverity": "\u4f4e",
  "submitTime": "2020-11-09",
  "title": "Nextcloud Server\u52a0\u5bc6\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-8173 (GCVE-0-2020-8173)

Vulnerability from cvelistv5

Published

2020-10-30 18:12

Modified

2024-08-04 09:56

Severity ?

CWE

CWE-310 - Cryptographic Issues - Generic ()

Summary

A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.

References

▼	URL	Tags
	https://hackerone.com/reports/852841	x_refsource_MISC
	https://nextcloud.com/security/advisory/?id=NC-SA-2020-023	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Nextcloud Server	Version: 18.0.4

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T09:56:27.378Z",
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          },
          {
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              "x_transferred"
            ],
            "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-023"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Nextcloud Server",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "18.0.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
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        {
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            }
          ]
        }
      ],
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        "dateUpdated": "2020-10-30T18:12:26",
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        {
          "tags": [
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          ],
          "url": "https://hackerone.com/reports/852841"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-023"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "support@hackerone.com",
          "ID": "CVE-2020-8173",
          "STATE": "PUBLIC"
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        "affects": {
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              {
                "product": {
                  "product_data": [
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                      "version": {
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            },
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  },
  "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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