Vulnerability-Lookup

CNVD-2019-27435

Vulnerability from cnvd - Published: 2019-08-15

Title

Nextcloud Android app代码注入漏洞

Description

Nextcloud Android app是德国Nextcloud公司的一款基于Android平台，用于访问Nextcloud服务器的移动应用程序。 Nextcloud Android app 3.7.0之前版本中存在代码注入漏洞，该漏洞源于外部输入数据构造代码段的过程中，网络系统或产品未正确过滤其中的特殊元素，攻击者可利用该漏洞生成非法的代码段，修改网络系统或组件的预期的执行控制流。

Severity

中

Patch Name

Nextcloud Android app代码注入漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/nextcloud/android/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-5450 https://hackerone.com/reports/631227

Impacted products

Name
Nextcloud Nextcloud Android app <3.7.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-5450"
    }
  },
  "description": "Nextcloud Android app\u662f\u5fb7\u56fdNextcloud\u516c\u53f8\u7684\u4e00\u6b3e\u57fa\u4e8eAndroid\u5e73\u53f0\uff0c\u7528\u4e8e\u8bbf\u95eeNextcloud\u670d\u52a1\u5668\u7684\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002\n\nNextcloud Android app 3.7.0\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5916\u90e8\u8f93\u5165\u6570\u636e\u6784\u9020\u4ee3\u7801\u6bb5\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u6b63\u786e\u8fc7\u6ee4\u5176\u4e2d\u7684\u7279\u6b8a\u5143\u7d20\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u751f\u6210\u975e\u6cd5\u7684\u4ee3\u7801\u6bb5\uff0c\u4fee\u6539\u7f51\u7edc\u7cfb\u7edf\u6216\u7ec4\u4ef6\u7684\u9884\u671f\u7684\u6267\u884c\u63a7\u5236\u6d41\u3002",
  "discovererName": "Ctulhu",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/nextcloud/android/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-27435",
  "openTime": "2019-08-15",
  "patchDescription": "Nextcloud Android app\u662f\u5fb7\u56fdNextcloud\u516c\u53f8\u7684\u4e00\u6b3e\u57fa\u4e8eAndroid\u5e73\u53f0\uff0c\u7528\u4e8e\u8bbf\u95eeNextcloud\u670d\u52a1\u5668\u7684\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nNextcloud Android app 3.7.0\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5916\u90e8\u8f93\u5165\u6570\u636e\u6784\u9020\u4ee3\u7801\u6bb5\u7684\u8fc7\u7a0b\u4e2d\uff0c\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u6b63\u786e\u8fc7\u6ee4\u5176\u4e2d\u7684\u7279\u6b8a\u5143\u7d20\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u751f\u6210\u975e\u6cd5\u7684\u4ee3\u7801\u6bb5\uff0c\u4fee\u6539\u7f51\u7edc\u7cfb\u7edf\u6216\u7ec4\u4ef6\u7684\u9884\u671f\u7684\u6267\u884c\u63a7\u5236\u6d41\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 Android app\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nextcloud Nextcloud Android app \u003c3.7.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-5450\r\nhttps://hackerone.com/reports/631227",
  "serverity": "\u4e2d",
  "submitTime": "2019-07-31",
  "title": "Nextcloud Android app\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2019-5450 (GCVE-0-2019-5450)

Vulnerability from cvelistv5 – Published: 2019-07-30 20:35 – Updated: 2024-08-04 19:54

Summary

Improper sanitization of HTML in directory names in the Nextcloud Android app prior to version 3.7.0 allowed to style the directory name in the header bar when using basic HTML.

Severity

No CVSS data available.

CWE

CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) (CWE-80)

Assigner

hackerone mitre root

References

1 reference

URL	Tags
https://hackerone.com/reports/631227	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	com.nextcloud.client	Affected: 3.7.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T19:54:53.484Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/631227"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "com.nextcloud.client",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "3.7.0"
            }
          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "Improper sanitization of HTML in directory names in the Nextcloud Android app prior to version 3.7.0 allowed to style the directory name in the header bar when using basic HTML."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-80",
              "description": "Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) (CWE-80)",
              "lang": "en",
              "type": "CWE"
            }
          ]
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        "dateUpdated": "2019-07-30T20:35:37.000Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
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      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/631227"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "ID": "CVE-2019-5450",
          "STATE": "PUBLIC"
        },
        "affects": {
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                    {
                      "product_name": "com.nextcloud.client",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "3.7.0"
                          }
                        ]
                      }
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                }
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              "refsource": "MISC",
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            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
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    "datePublished": "2019-07-30T20:35:37.000Z",
    "dateReserved": "2019-01-04T00:00:00.000Z",
    "dateUpdated": "2024-08-04T19:54:53.484Z",
    "state": "PUBLISHED"
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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.

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.