Vulnerability-Lookup

CNVD-2022-08924

Vulnerability from cnvd - Published: 2022-02-09

Title

Yappli存在未明漏洞

Description

Yappli是日本Yappli公司的一个应用程序开发平台。 Yappli Android Apps存在安全漏洞，攻击者可利用该漏洞访问包含精心构建的URL的恶意网站时，应用程序可能会被引导连接到某些非预期的网站，应用程序的内部信息可能会被泄露或修改。

Severity

中

Patch Name

Yappli存在未明漏洞的补丁

Patch Description

Yappli是日本Yappli公司的一个应用程序开发平台。 Yappli Android Apps存在安全漏洞，攻击者可利用该漏洞访问包含精心构建的URL的恶意网站时，应用程序可能会被引导连接到某些非预期的网站，应用程序的内部信息可能会被泄露或修改。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://support.yappli.co.jp/hc/ja/articles/4410249902745

Reference

https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000112.html

Impacted products

Name
yappli yappli >=7.3.6，<9.30.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20873"
    }
  },
  "description": "Yappli\u662f\u65e5\u672cYappli\u516c\u53f8\u7684\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u5e73\u53f0\u3002\n\nYappli Android Apps\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u5305\u542b\u7cbe\u5fc3\u6784\u5efa\u7684URL\u7684\u6076\u610f\u7f51\u7ad9\u65f6\uff0c\u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u4f1a\u88ab\u5f15\u5bfc\u8fde\u63a5\u5230\u67d0\u4e9b\u975e\u9884\u671f\u7684\u7f51\u7ad9\uff0c\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u90e8\u4fe1\u606f\u53ef\u80fd\u4f1a\u88ab\u6cc4\u9732\u6216\u4fee\u6539\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://support.yappli.co.jp/hc/ja/articles/4410249902745",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-08924",
  "openTime": "2022-02-09",
  "patchDescription": "Yappli\u662f\u65e5\u672cYappli\u516c\u53f8\u7684\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u5e73\u53f0\u3002\r\n\r\nYappli Android Apps\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u5305\u542b\u7cbe\u5fc3\u6784\u5efa\u7684URL\u7684\u6076\u610f\u7f51\u7ad9\u65f6\uff0c\u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u4f1a\u88ab\u5f15\u5bfc\u8fde\u63a5\u5230\u67d0\u4e9b\u975e\u9884\u671f\u7684\u7f51\u7ad9\uff0c\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u90e8\u4fe1\u606f\u53ef\u80fd\u4f1a\u88ab\u6cc4\u9732\u6216\u4fee\u6539\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": "Yappli\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "yappli yappli \u003e=7.3.6\uff0c\u003c9.30.0"
  },
  "referenceLink": "https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000112.html",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-24",
  "title": "Yappli\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2021-20873 (GCVE-0-2021-20873)

Vulnerability from cvelistv5 – Published: 2021-12-28 01:30 – Updated: 2024-08-03 17:53

Summary

Yappli is an application development platform which provides the function to access a requested URL using Custom URL Scheme. When Android apps are developed with Yappli versions since v7.3.6 and prior to v9.30.0, they are vulnerable to improper authorization in Custom URL Scheme handler, and may be directed to unintended sites via a specially crafted URL.

Severity

No CVSS data available.

CWE

Improper Authorization in Handler for Custom URL Scheme

Assigner

jpcert jpcert root Scorecard

References

2 references

URL	Tags
https://support.yappli.co.jp/hc/ja/articles/44102…	x_refsource_MISC
https://jvn.jp/en/jp/JVN66422035/index.html	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Yappli, Inc.	Yappli	Affected: versions since v7.3.6 and prior to v9.30.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:53:23.086Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.yappli.co.jp/hc/ja/articles/4410249902745"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN66422035/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Yappli",
          "vendor": "Yappli, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "versions since v7.3.6 and prior to v9.30.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Yappli is an application development platform which provides the function to access a requested URL using Custom URL Scheme. When Android apps are developed with Yappli versions since v7.3.6 and prior to v9.30.0, they are vulnerable to improper authorization in Custom URL Scheme handler, and may be directed to unintended sites via a specially crafted URL."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Authorization in Handler for Custom URL Scheme",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-28T01:30:12.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.yappli.co.jp/hc/ja/articles/4410249902745"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jvn.jp/en/jp/JVN66422035/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vultures@jpcert.or.jp",
          "ID": "CVE-2021-20873",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Yappli",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "versions since v7.3.6 and prior to v9.30.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Yappli, Inc."
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "Yappli is an application development platform which provides the function to access a requested URL using Custom URL Scheme. When Android apps are developed with Yappli versions since v7.3.6 and prior to v9.30.0, they are vulnerable to improper authorization in Custom URL Scheme handler, and may be directed to unintended sites via a specially crafted URL."
            }
          ]
        },
        "problemtype": {
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              "description": [
                {
                  "lang": "eng",
                  "value": "Improper Authorization in Handler for Custom URL Scheme"
                }
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.yappli.co.jp/hc/ja/articles/4410249902745",
              "refsource": "MISC",
              "url": "https://support.yappli.co.jp/hc/ja/articles/4410249902745"
            },
            {
              "name": "https://jvn.jp/en/jp/JVN66422035/index.html",
              "refsource": "MISC",
              "url": "https://jvn.jp/en/jp/JVN66422035/index.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2021-20873",
    "datePublished": "2021-12-28T01:30:12.000Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:53:23.086Z",
    "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.

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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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.

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CNVD-2022-08924

CVE-2021-20873 (GCVE-0-2021-20873)

Tags

Sightings

Nomenclature

Related by attack behaviour