jvndb - jvndb-2021-000031

jvndb-2021-000031

Vulnerability from jvndb

Published

2021-04-14 17:22

Modified

2023-03-08 17:02

Severity ?

3.3 (Low) - cvssV3_0 - CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Summary

Gurunavi Apps fail to restrict access permissions

Details

Gurunavi Apps provided by Gurunavi, Inc. implement the function to access a requested URL using Custom URL Scheme. This function contains an improper access control vulnerability (CWE-284) that may allow the vulnerable App to receive an request from an arbitrary App and execute an access. Ryo Sato of BroadBand Security,Inc. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

▼	Type	URL
	JVN	https://jvn.jp/en/jp/JVN54025691/index.html
	CVE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20693
	NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-20693
	Permissions(CWE-264)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

▼	Vendor	Product
	Gurunavi, Inc.	Gurunavi
	Gurunavi, Inc.	Gurunavi

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000031.html",
  "dc:date": "2023-03-08T17:02+09:00",
  "dcterms:issued": "2021-04-14T17:22+09:00",
  "dcterms:modified": "2023-03-08T17:02+09:00",
  "description": "Gurunavi Apps provided by Gurunavi, Inc. implement the function to access a requested URL using Custom URL Scheme.\r\nThis function contains an improper access control vulnerability (CWE-284) that may allow the vulnerable App to receive an request from an arbitrary App and execute an access.\r\n\r\nRyo Sato of BroadBand Security,Inc. reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2021/JVNDB-2021-000031.html",
  "sec:cpe": [
    {
      "#text": "cpe:/a:gurunavi:gournavi",
      "@product": "Gurunavi",
      "@vendor": "Gurunavi, Inc.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:gurunavi:gournavi",
      "@product": "Gurunavi",
      "@vendor": "Gurunavi, Inc.",
      "@version": "2.2"
    }
  ],
  "sec:cvss": [
    {
      "@score": "4.3",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
      "@version": "2.0"
    },
    {
      "@score": "3.3",
      "@severity": "Low",
      "@type": "Base",
      "@vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
      "@version": "3.0"
    }
  ],
  "sec:identifier": "JVNDB-2021-000031",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN54025691/index.html",
      "@id": "JVN#54025691",
      "@source": "JVN"
    },
    {
      "#text": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20693",
      "@id": "CVE-2021-20693",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2021-20693",
      "@id": "CVE-2021-20693",
      "@source": "NVD"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-264",
      "@title": "Permissions(CWE-264)"
    }
  ],
  "title": "Gurunavi Apps fail to restrict access permissions"
}

cve-2021-20693

Vulnerability from cvelistv5

Published

2021-04-26 00:20

Modified

2024-08-03 17:45

Severity ?

Summary

Improper access control vulnerability in Gurunavi App for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

References

▼	URL	Tags
	https://jvn.jp/en/jp/JVN54025691/index.html	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

Gurunavi, Inc.

Gurunavi App

Version: for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier

Show details on NVD website

JSON

To clipboard

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  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:45:45.534Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN54025691/index.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Gurunavi App",
          "vendor": "Gurunavi, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier"
            }
          ]
        }
      ],
      "descriptions": [
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Access Control",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-26T00:20:40",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jvn.jp/en/jp/JVN54025691/index.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vultures@jpcert.or.jp",
          "ID": "CVE-2021-20693",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Gurunavi App",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Gurunavi, Inc."
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
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        },
        "problemtype": {
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                  "value": "Improper Access Control"
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              ]
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          ]
        },
        "references": {
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            {
              "name": "https://jvn.jp/en/jp/JVN54025691/index.html",
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              "url": "https://jvn.jp/en/jp/JVN54025691/index.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
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    "datePublished": "2021-04-26T00:20:40",
    "dateReserved": "2020-12-17T00:00:00",
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    "state": "PUBLISHED"
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}

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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