jvndb - jvndb-2022-000081

JVNDB-2022-000081

Vulnerability from jvndb - Published: 2022-10-19 14:08 - Updated:2024-06-12 16:39

Severity ?

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

Summary

Lemon8 App fails to restrict access permissions

Details

Lemon8 by ByteDance K.K. provides the function to access a requested URL using Custom URL Scheme/DeepLink. The App does not restrict access to the function properly (CWE-939) which may be exploited to direct the App to access any sites. 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/JVN10921428/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2022-41797
	NVD	https://nvd.nist.gov/vuln/detail/CVE-2022-41797
	Permissions(CWE-264)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

ByteDance

Lemon8

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2022/JVNDB-2022-000081.html",
  "dc:date": "2024-06-12T16:39+09:00",
  "dcterms:issued": "2022-10-19T14:08+09:00",
  "dcterms:modified": "2024-06-12T16:39+09:00",
  "description": "Lemon8 by ByteDance K.K. provides the function to access a requested URL using Custom URL Scheme/DeepLink. The App does not restrict access to the function properly (CWE-939) which may be exploited to direct the App to access any sites.\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/2022/JVNDB-2022-000081.html",
  "sec:cpe": {
    "#text": "cpe:/a:misc:bytedance_lemon8",
    "@product": "Lemon8",
    "@vendor": "ByteDance",
    "@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": "4.3",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
      "@version": "3.0"
    }
  ],
  "sec:identifier": "JVNDB-2022-000081",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN10921428/index.html",
      "@id": "JVN#10921428",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2022-41797",
      "@id": "CVE-2022-41797",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2022-41797",
      "@id": "CVE-2022-41797",
      "@source": "NVD"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-264",
      "@title": "Permissions(CWE-264)"
    }
  ],
  "title": "Lemon8 App fails to restrict access permissions"
}

CVE-2022-41797 (GCVE-0-2022-41797)

Vulnerability from cvelistv5 – Published: 2022-10-24 00:00 – Updated: 2025-05-07 16:10

Summary

Improper authorization in handler for custom URL scheme vulnerability in Lemon8 App for Android versions prior to 3.3.5 and Lemon8 App for iOS versions prior to 3.3.5 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack.

Severity ?

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CWE

Improper Authorization in Handler for Custom URL Scheme

Assigner

jpcert

References

URL

Tags

	https://play.google.com/store/apps/details?id=com…
	https://apps.apple.com/jp/app/lemon8/id1498607143
	https://jvn.jp/en/jp/JVN10921428/index.html

Impacted products

	Vendor	Product	Version
	ByteDance K.K.	Lemon8 App for Android and Lemon8 App for iOS	Affected: Lemon8 App for Android versions prior to 3.3.5 and Lemon8 App for iOS versions prior to 3.3.5

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T12:56:38.319Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://play.google.com/store/apps/details?id=com.bd.nproject\u0026hl=ja\u0026gl=US"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://apps.apple.com/jp/app/lemon8/id1498607143"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN10921428/index.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-41797",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-07T16:08:37.389796Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-862",
                "description": "CWE-862 Missing Authorization",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-07T16:10:53.211Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Lemon8 App for Android and Lemon8 App for iOS",
          "vendor": "ByteDance K.K.",
          "versions": [
            {
              "status": "affected",
              "version": "Lemon8 App for Android versions prior to 3.3.5 and Lemon8 App for iOS versions prior to 3.3.5"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper authorization in handler for custom URL scheme vulnerability in Lemon8 App for Android versions prior to 3.3.5 and Lemon8 App for iOS versions prior to 3.3.5 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Authorization in Handler for Custom URL Scheme",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-24T00:00:00.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://play.google.com/store/apps/details?id=com.bd.nproject\u0026hl=ja\u0026gl=US"
        },
        {
          "url": "https://apps.apple.com/jp/app/lemon8/id1498607143"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN10921428/index.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2022-41797",
    "datePublished": "2022-10-24T00:00:00.000Z",
    "dateReserved": "2022-10-11T00:00:00.000Z",
    "dateUpdated": "2025-05-07T16:10:53.211Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

JVNDB-2022-000081

CVE-2022-41797 (GCVE-0-2022-41797)

Tags

Sightings

Nomenclature