jvndb - jvndb-2021-000096

jvndb-2021-000096

Vulnerability from jvndb

Published

2021-10-29 15:11

Modified

2021-10-29 15:11

Severity ?

7.4 (High) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

Summary

Android App "Mercari (Merpay) - Marketplace and Mobile Payments App" (Japan version) vulnerable to improper handling of Intent

Details

Android App "Mercari (Merpay) - Marketplace and Mobile Payments App" (Japan version) provided by Mercari, Inc. is vulnerable to improper handling of Intent (CWE-939). RyotaK reported this vulnerability to Mercari, Inc. and Mercari, Inc. reported it to JPCERT/CC to disclose the vulnerability through JVN.

References

▼	Type	URL
	JVN	https://jvn.jp/en/jp/JVN49465877/index.html
	CVE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20835
	NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-20835
	Permissions(CWE-264)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

▼	Vendor	Product
	Mercari Co., Ltd.	Mercari

Show details on JVN DB website

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000096.html",
  "dc:date": "2021-10-29T15:11+09:00",
  "dcterms:issued": "2021-10-29T15:11+09:00",
  "dcterms:modified": "2021-10-29T15:11+09:00",
  "description": "Android App \"Mercari (Merpay) - Marketplace and Mobile Payments App\" (Japan version) provided by Mercari, Inc. is vulnerable to improper handling of Intent (CWE-939).\r\n\r\nRyotaK reported this vulnerability to Mercari, Inc. and Mercari, Inc. reported it to JPCERT/CC to disclose the vulnerability through JVN.",
  "link": "https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000096.html",
  "sec:cpe": {
    "#text": "cpe:/a:mercari:mercari",
    "@product": "Mercari",
    "@vendor": "Mercari Co., Ltd.",
    "@version": "2.2"
  },
  "sec:cvss": [
    {
      "@score": "4.3",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
      "@version": "2.0"
    },
    {
      "@score": "7.4",
      "@severity": "High",
      "@type": "Base",
      "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N",
      "@version": "3.0"
    }
  ],
  "sec:identifier": "JVNDB-2021-000096",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN49465877/index.html",
      "@id": "JVN#49465877",
      "@source": "JVN"
    },
    {
      "#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20835",
      "@id": "CVE-2021-20835",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20835",
      "@id": "CVE-2021-20835",
      "@source": "NVD"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-264",
      "@title": "Permissions(CWE-264)"
    }
  ],
  "title": "Android App \"Mercari (Merpay) - Marketplace and Mobile Payments App\" (Japan version) vulnerable to improper handling of Intent"
}

cve-2021-20835

Vulnerability from cvelistv5

Published

2021-11-24 08:25

Modified

2024-08-03 17:53

Severity ?

Summary

Improper authorization in handler for custom URL scheme vulnerability in Android App 'Mercari (Merpay) - Marketplace and Mobile Payments App' (Japan version) versions prior to 4.49.1 allows a remote attacker to lead a user to access an arbitrary website and the website launches an arbitrary Activity of the app via the vulnerable App, which may result in Mercari account's access token being obtained.

References

▼	URL	Tags
	https://jvn.jp/en/jp/JVN49465877/index.html	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Mercari, Inc.	Android App 'Mercari (Merpay) - Marketplace and Mobile Payments App' (Japan version)

Show details on NVD website

To clipboard

{
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:53:23.012Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
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              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN49465877/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Android App \u0027Mercari (Merpay) - Marketplace and Mobile Payments App\u0027 (Japan version)",
          "vendor": "Mercari, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "versions prior to 4.49.1"
            }
          ]
        }
      ],
      "descriptions": [
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Authorization in Handler for Custom URL Scheme",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-24T08:25:38",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jvn.jp/en/jp/JVN49465877/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
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          "ID": "CVE-2021-20835",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
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                  "product_data": [
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                      "version": {
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                          }
                        ]
                      }
                    }
                  ]
                },
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              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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                  "value": "Improper Authorization in Handler for Custom URL Scheme"
                }
              ]
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          ]
        },
        "references": {
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            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2021-20835",
    "datePublished": "2021-11-24T08:25:38",
    "dateReserved": "2020-12-17T00:00:00",
    "dateUpdated": "2024-08-03T17:53:23.012Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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