Vulnerability-Lookup

JVNDB-2023-000098

Vulnerability from jvndb - Published: 2023-10-06 05:57 - Updated:2024-05-17 08:55

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

e-Gov Client Application fails to restrict custom URL schemes properly

Details

e-Gov Client Application is installed, a Custom URL Scheme is configured on the system to enable invoking the product through a web browser. This custom URL contains the information about the website which the product should access, and a crafted URL may direct the application to access an unexpected website (CWE-939). Toyama Taku of NEC Corporation 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/JVN15808274/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2023-44689
	NVD	https://nvd.nist.gov/vuln/detail/CVE-2023-44689
	Permissions(CWE-264)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

	Digital Agency	e-Gov Electronic application
	Digital Agency	e-Gov Electronic application

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2023/JVNDB-2023-000098.html",
  "dc:date": "2024-05-17T17:55+09:00",
  "dcterms:issued": "2023-10-06T14:57+09:00",
  "dcterms:modified": "2024-05-17T17:55+09:00",
  "description": "e-Gov Client Application is installed, a Custom URL Scheme is configured on the system to enable invoking the product through a web browser.\r\nThis custom URL contains the information about the website which the product should access, and a crafted URL may direct the application to access an unexpected website (CWE-939).\r\n\r\nToyama Taku of NEC Corporation 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/2023/JVNDB-2023-000098.html",
  "sec:cpe": [
    {
      "#text": "cpe:/a:e-gov:e-gov",
      "@product": "e-Gov Electronic application",
      "@vendor": "Digital Agency",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/a:e-gov:e-gov",
      "@product": "e-Gov Electronic application",
      "@vendor": "Digital Agency",
      "@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-2023-000098",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN15808274/index.html",
      "@id": "JVN#15808274",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2023-44689",
      "@id": "CVE-2023-44689",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2023-44689",
      "@id": "CVE-2023-44689",
      "@source": "NVD"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-264",
      "@title": "Permissions(CWE-264)"
    }
  ],
  "title": "e-Gov Client Application fails to restrict custom URL schemes properly"
}

CVE-2023-44689 (GCVE-0-2023-44689)

Vulnerability from cvelistv5 – Published: 2023-10-11 00:06 – Updated: 2024-09-18 16:03

Summary

e-Gov Client Application (Windows version) versions prior to 2.1.1.0 and e-Gov Client Application (macOS version) versions prior to 1.1.1.0 are vulnerable to improper authorization in handler for custom URL scheme. A crafted URL may direct the product to access an arbitrary website. As a result, the user may become a victim of a phishing attack.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 16:02 UTC

CWE

Improper authorization in handler for custom URL scheme

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://shinsei.e-gov.go.jp/contents/news/2023-03…
https://jvn.jp/en/jp/JVN15808274/

Impacted products

2 products

Vendor	Product	Version
Digital Agency	e-Gov Client Application (Windows version)	Affected: versions prior to 2.1.1.0
Digital Agency	e-Gov Client Application (macOS version)	Affected: versions prior to 1.1.1.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T20:07:33.452Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://shinsei.e-gov.go.jp/contents/news/2023-03-12t1022040900_1318.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN15808274/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-44689",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-18T16:02:54.663068Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-18T16:03:05.350Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "e-Gov Client Application (Windows version)",
          "vendor": "Digital Agency",
          "versions": [
            {
              "status": "affected",
              "version": "versions prior to 2.1.1.0"
            }
          ]
        },
        {
          "product": "e-Gov Client Application (macOS version)",
          "vendor": "Digital Agency",
          "versions": [
            {
              "status": "affected",
              "version": "versions prior to 1.1.1.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "e-Gov Client Application (Windows version) versions prior to 2.1.1.0 and e-Gov Client Application (macOS version) versions prior to 1.1.1.0 are vulnerable to improper authorization in handler for custom URL scheme. A crafted URL may direct the product to access an arbitrary website. 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"
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-11T00:06:37.575Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://shinsei.e-gov.go.jp/contents/news/2023-03-12t1022040900_1318.html"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN15808274/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2023-44689",
    "datePublished": "2023-10-11T00:06:37.575Z",
    "dateReserved": "2023-10-02T05:03:23.579Z",
    "dateUpdated": "2024-09-18T16:03:05.350Z",
    "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.

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.